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    MRTFB myocardin related transcription factor B [ Homo sapiens (human) ]

    Gene ID: 57496, updated on 2-Nov-2024

    Summary

    Official Symbol
    MRTFBprovided by HGNC
    Official Full Name
    myocardin related transcription factor Bprovided by HGNC
    Primary source
    HGNC:HGNC:29819
    See related
    Ensembl:ENSG00000186260 MIM:609463; AllianceGenome:HGNC:29819
    Gene type
    protein coding
    RefSeq status
    VALIDATED
    Organism
    Homo sapiens
    Lineage
    Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo
    Also known as
    MKL2; MRTF-B; NPD001
    Summary
    Enables transcription coactivator activity. Involved in positive regulation of miRNA transcription; positive regulation of striated muscle tissue development; and positive regulation of transcription by RNA polymerase II. Predicted to be located in cytoplasm. Predicted to be active in several cellular components, including glutamatergic synapse; postsynapse; and presynapse. [provided by Alliance of Genome Resources, Nov 2024]
    Expression
    Ubiquitous expression in brain (RPKM 11.0), testis (RPKM 5.1) and 24 other tissues See more
    Orthologs
    NEW
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    Genomic context

    See MRTFB in Genome Data Viewer
    Location:
    16p13.12
    Exon count:
    26
    Annotation release Status Assembly Chr Location
    RS_2024_08 current GRCh38.p14 (GCF_000001405.40) 16 NC_000016.10 (13994774..14266779)
    RS_2024_08 current T2T-CHM13v2.0 (GCF_009914755.1) 16 NC_060940.1 (14032048..14304042)
    RS_2024_09 previous assembly GRCh37.p13 (GCF_000001405.25) 16 NC_000016.9 (14164919..14360636)

    Chromosome 16 - NC_000016.10Genomic Context describing neighboring genes Neighboring gene uncharacterized LOC105371093 Neighboring gene uncharacterized LOC124903647 Neighboring gene ATAC-STARR-seq lymphoblastoid active region 10485 Neighboring gene ATAC-STARR-seq lymphoblastoid active region 10486 Neighboring gene ATAC-STARR-seq lymphoblastoid active region 10487 Neighboring gene ribosomal protein S26 pseudogene 52 Neighboring gene ATAC-STARR-seq lymphoblastoid silent region 7223 Neighboring gene CDK7 strongly-dependent group 2 enhancer GRCh37_chr16:14050534-14051733 Neighboring gene ERCC excision repair 4, endonuclease catalytic subunit Neighboring gene long intergenic non-protein coding RNA 2185 Neighboring gene long intergenic non-protein coding RNA 2186 Neighboring gene H3K27ac hESC enhancer GRCh37_chr16:14144523-14145135 Neighboring gene ATAC-STARR-seq lymphoblastoid silent region 7226 Neighboring gene ATAC-STARR-seq lymphoblastoid silent region 7227 Neighboring gene ATAC-STARR-seq lymphoblastoid active region 10489 Neighboring gene ATAC-STARR-seq lymphoblastoid active region 10490 Neighboring gene uncharacterized LOC124903783 Neighboring gene TVP23C pseudogene 2 Neighboring gene BRD4-independent group 4 enhancer GRCh37_chr16:14339016-14340215 Neighboring gene H3K4me1 hESC enhancer GRCh37_chr16:14375643-14376144 Neighboring gene OCT4-NANOG hESC enhancer GRCh37_chr16:14377689-14378337 Neighboring gene H3K27ac-H3K4me1 hESC enhancer GRCh37_chr16:14379019-14380016 Neighboring gene ATAC-STARR-seq lymphoblastoid active region 10491 Neighboring gene Sharpr-MPRA regulatory region 5476 Neighboring gene tRNA-Thr (anticodon CGT) 2-1 Neighboring gene ATAC-STARR-seq lymphoblastoid silent region 7229 Neighboring gene ReSE screen-validated silencer GRCh37_chr16:14396656-14396816 Neighboring gene MIR193b-365a host gene Neighboring gene microRNA 193b

    Genomic regions, transcripts, and products

    Expression

    • Project title: HPA RNA-seq normal tissues HPA RNA-seq normal tissues
    • Description: RNA-seq was performed of tissue samples from 95 human individuals representing 27 different tissues in order to determine tissue-specificity of all protein-coding genes
    • BioProject: PRJEB4337
    • Publication: PMID 24309898
    • Analysis date: Wed Apr 4 07:08:55 2018

    Bibliography

    GeneRIFs: Gene References Into Functions

    What's a GeneRIF?

    Phenotypes

    EBI GWAS Catalog

    Description
    Genetic association study of QT interval highlights role for calcium signaling pathways in myocardial repolarization.
    EBI GWAS Catalog
    Genome-wide association study of sexual maturation in males and females highlights a role for body mass and menarche loci in male puberty.
    EBI GWAS Catalog
    Hundreds of variants clustered in genomic loci and biological pathways affect human height.
    EBI GWAS Catalog
    Meta-analysis of genome-wide association studies of adult height in East Asians identifies 17 novel loci.
    EBI GWAS Catalog
    Parent-of-origin-specific allelic associations among 106 genomic loci for age at menarche.
    EBI GWAS Catalog
    Thirty new loci for age at menarche identified by a meta-analysis of genome-wide association studies.
    EBI GWAS Catalog

    HIV-1 interactions

    Protein interactions

    Protein Gene Interaction Pubs
    integrase gag-pol Analysis of HIV-1 proviral integration sites in antiretroviral treatment patients indicates that MKL2 gene favors HIV-1 integration for expansion and persistence of infected cells, suggesting HIV-1 IN interacts with MKL2 PubMed

    Go to the HIV-1, Human Interaction Database

    Interactions

    General gene information

    Clone Names

    • FLJ31823, FLJ45623, DKFZp686J1745

    Gene Ontology Provided by GOA

    Component Evidence Code Pubs
    located_in glutamatergic synapse  
    is_active_in nucleus  
    located_in nucleus PubMed 
    located_in postsynapse  
    located_in presynapse  

    General protein information

    Preferred Names
    myocardin-related transcription factor B
    Names
    CTA-276F8.1
    MKL and myocardin family member 2
    MKL/myocardin like 2
    MKL/myocardin-like protein 2
    MKL1/myocardin like 2
    megakaryoblastic leukemia 2

    NCBI Reference Sequences (RefSeq)

    NEW Try the new Transcript table

    RefSeqs maintained independently of Annotated Genomes

    These reference sequences exist independently of genome builds. Explain

    These reference sequences are curated independently of the genome annotation cycle, so their versions may not match the RefSeq versions in the current genome build. Identify version mismatches by comparing the version of the RefSeq in this section to the one reported in Genomic regions, transcripts, and products above.

    mRNA and Protein(s)

    1. NM_001308142.2NP_001295071.1  myocardin-related transcription factor B isoform 1

      See identical proteins and their annotated locations for NP_001295071.1

      Status: VALIDATED

      Description
      Transcript Variant: This variant (1) represents the longer transcript and encodes the longer isoform (1).
      Source sequence(s)
      AC012626, AC040173, AC130650
      Consensus CDS
      CCDS76823.1
      UniProtKB/Swiss-Prot
      Q9ULH7
      Related
      ENSP00000459626.2, ENST00000571589.6
      Conserved Domains (6) summary
      PHA03247
      Location:197410
      PHA03247; large tegument protein UL36; Provisional
      pfam02037
      Location:400433
      SAP; SAP domain
      pfam02755
      Location:141163
      RPEL; RPEL repeat
      pfam09903
      Location:568628
      DUF2130; Uncharacterized protein conserved in bacteria (DUF2130)
      cl29414
      Location:5276
      RPEL; RPEL repeat
      cl41773
      Location:649826
      SP1-4_N; N-terminal domain of transcription factor Specificity Proteins (SP) 1-4
    2. NM_001365411.2NP_001352340.1  myocardin-related transcription factor B isoform 3

      Status: VALIDATED

      Source sequence(s)
      AC012626, AC040173, AC130650
      UniProtKB/Swiss-Prot
      A6ND53, B4DGT8, Q68CT1, Q6UB16, Q86WW2, Q8N226, Q9ULH7
      Conserved Domains (5) summary
      smart00707
      Location:128153
      RPEL; Repeat in Drosophila CG10860, human KIAA0680 and C. elegans F26H9.2
      pfam02037
      Location:389422
      SAP; SAP domain
      pfam02755
      Location:85107
      RPEL; RPEL repeat
      cl26464
      Location:186399
      Atrophin-1; Atrophin-1 family
      cl26585
      Location:557594
      DUF2130; Uncharacterized protein conserved in bacteria (DUF2130)
    3. NM_001365412.2NP_001352341.1  myocardin-related transcription factor B isoform 4

      Status: VALIDATED

      Source sequence(s)
      AC012626, AC040173, AC130650
      Conserved Domains (6) summary
      PHA03247
      Location:197410
      PHA03247; large tegument protein UL36; Provisional
      pfam02037
      Location:400433
      SAP; SAP domain
      pfam02755
      Location:141163
      RPEL; RPEL repeat
      pfam09903
      Location:568628
      DUF2130; Uncharacterized protein conserved in bacteria (DUF2130)
      cl29414
      Location:5276
      RPEL; RPEL repeat
      cl41773
      Location:649826
      SP1-4_N; N-terminal domain of transcription factor Specificity Proteins (SP) 1-4
    4. NM_001365413.2NP_001352342.1  myocardin-related transcription factor B isoform 5

      Status: VALIDATED

      Source sequence(s)
      AC012626, AC040173, AC130650
      Conserved Domains (6) summary
      smart00707
      Location:6893
      RPEL; Repeat in Drosophila CG10860, human KIAA0680 and C. elegans F26H9.2
      PHA03247
      Location:126339
      PHA03247; large tegument protein UL36; Provisional
      TIGR02784
      Location:121203
      addA_alphas; double-strand break repair helicase AddA, alphaproteobacterial type
      pfam02037
      Location:332362
      SAP; SAP domain
      pfam02755
      Location:2548
      RPEL; RPEL repeat
      pfam09903
      Location:497534
      DUF2130; Uncharacterized protein conserved in bacteria (DUF2130)
    5. NM_001365414.2NP_001352343.1  myocardin-related transcription factor B isoform 6

      Status: VALIDATED

      Source sequence(s)
      AC012626, AC040173, AC130650
      Conserved Domains (7) summary
      smart00707
      Location:6893
      RPEL; Repeat in Drosophila CG10860, human KIAA0680 and C. elegans F26H9.2
      pfam02037
      Location:329362
      SAP; SAP domain
      pfam02755
      Location:2547
      RPEL; RPEL repeat
      cl26464
      Location:126339
      Atrophin-1; Atrophin-1 family
      cl26585
      Location:497534
      DUF2130; Uncharacterized protein conserved in bacteria (DUF2130)
      cl28087
      Location:538725
      FtsK; DNA segregation ATPase FtsK/SpoIIIE and related proteins [Cell cycle control, cell division, chromosome partitioning]
      cl28312
      Location:121203
      UvrD; Superfamily I DNA or RNA helicase [Replication, recombination and repair]
    6. NM_001365415.2NP_001352344.1  myocardin-related transcription factor B isoform 7

      Status: VALIDATED

      Source sequence(s)
      AC012626, AC040173, AC130650
      Consensus CDS
      CCDS92112.1
      UniProtKB/TrEMBL
      I3L2S3
      Related
      ENSP00000459879.1, ENST00000572567.5
      Conserved Domains (3) summary
      smart00707
      Location:128153
      RPEL; Repeat in Drosophila CG10860, human KIAA0680 and C. elegans F26H9.2
      pfam02755
      Location:85107
      RPEL; RPEL repeat
      cl26464
      Location:186310
      Atrophin-1; Atrophin-1 family
    7. NM_001365416.2NP_001352345.1  myocardin-related transcription factor B isoform 8

      Status: VALIDATED

      Source sequence(s)
      AC012626, AC040173, AC130650
      Conserved Domains (3) summary
      smart00707
      Location:6893
      RPEL; Repeat in Drosophila CG10860, human KIAA0680 and C. elegans F26H9.2
      pfam02755
      Location:2547
      RPEL; RPEL repeat
      cl28312
      Location:121203
      UvrD; Superfamily I DNA or RNA helicase [Replication, recombination and repair]
    8. NM_001365417.3NP_001352346.1  myocardin-related transcription factor B isoform 9

      Status: VALIDATED

      Source sequence(s)
      AC130650
    9. NM_001365418.3NP_001352347.1  myocardin-related transcription factor B isoform 9

      Status: VALIDATED

      Source sequence(s)
      AC130650
    10. NM_001365419.3NP_001352348.1  myocardin-related transcription factor B isoform 9

      Status: VALIDATED

      Source sequence(s)
      AC130650
    11. NM_001365420.3NP_001352349.1  myocardin-related transcription factor B isoform 9

      Status: VALIDATED

      Source sequence(s)
      AC130650
    12. NM_001365421.3NP_001352350.1  myocardin-related transcription factor B isoform 9

      Status: VALIDATED

      Source sequence(s)
      AC130650
    13. NM_014048.4NP_054767.3  myocardin-related transcription factor B isoform 2

      See identical proteins and their annotated locations for NP_054767.3

      Status: VALIDATED

      Description
      Transcript Variant: This variant (2) uses an alternate in-frame splice site in the 3' coding region compared to variant 1. The encoded isoform (2) is shorter than isoform 1.
      Source sequence(s)
      AC040173, AC130650, AY374297, BC016293
      Consensus CDS
      CCDS32391.1
      UniProtKB/Swiss-Prot
      Q9ULH7
      Related
      ENSP00000459205.1, ENST00000574045.5
      Conserved Domains (8) summary
      smart00707
      Location:139164
      RPEL; Repeat in Drosophila CG10860, human KIAA0680 and C. elegans F26H9.2
      PHA03247
      Location:197410
      PHA03247; large tegument protein UL36; Provisional
      PRK10263
      Location:609796
      PRK10263; DNA translocase FtsK; Provisional
      TIGR02784
      Location:192274
      addA_alphas; double-strand break repair helicase AddA, alphaproteobacterial type
      pfam02037
      Location:403433
      SAP; SAP domain
      pfam02755
      Location:96119
      RPEL; RPEL repeat
      pfam09903
      Location:568605
      DUF2130; Uncharacterized protein conserved in bacteria (DUF2130)
      cl29414
      Location:5276
      RPEL; RPEL repeat

    RefSeqs of Annotated Genomes: GCF_000001405.40-RS_2024_08

    The following sections contain reference sequences that belong to a specific genome build. Explain

    Reference GRCh38.p14 Primary Assembly

    Genomic

    1. NC_000016.10 Reference GRCh38.p14 Primary Assembly

      Range
      13994774..14266779
      Download
      GenBank, FASTA, Sequence Viewer (Graphics)

    mRNA and Protein(s)

    1. XM_047434393.1XP_047290349.1  myocardin-related transcription factor B isoform X1

    2. XM_047434392.1XP_047290348.1  myocardin-related transcription factor B isoform X1

    3. XM_017023501.3XP_016878990.1  myocardin-related transcription factor B isoform X1

      UniProtKB/Swiss-Prot
      Q9ULH7
      Conserved Domains (6) summary
      PHA03247
      Location:197410
      PHA03247; large tegument protein UL36; Provisional
      pfam02037
      Location:400433
      SAP; SAP domain
      pfam02755
      Location:141163
      RPEL; RPEL repeat
      pfam09903
      Location:568628
      DUF2130; Uncharacterized protein conserved in bacteria (DUF2130)
      cl29414
      Location:5276
      RPEL; RPEL repeat
      cl41773
      Location:649826
      SP1-4_N; N-terminal domain of transcription factor Specificity Proteins (SP) 1-4
    4. XM_047434402.1XP_047290358.1  myocardin-related transcription factor B isoform X4

      Related
      ENSP00000339086.4, ENST00000318282.9
    5. XM_047434391.1XP_047290347.1  myocardin-related transcription factor B isoform X1

    6. XM_047434390.1XP_047290346.1  myocardin-related transcription factor B isoform X1

    7. XM_047434399.1XP_047290355.1  myocardin-related transcription factor B isoform X3

    8. XM_005255452.4XP_005255509.1  myocardin-related transcription factor B isoform X1

      See identical proteins and their annotated locations for XP_005255509.1

      UniProtKB/Swiss-Prot
      Q9ULH7
      Conserved Domains (6) summary
      PHA03247
      Location:197410
      PHA03247; large tegument protein UL36; Provisional
      pfam02037
      Location:400433
      SAP; SAP domain
      pfam02755
      Location:141163
      RPEL; RPEL repeat
      pfam09903
      Location:568628
      DUF2130; Uncharacterized protein conserved in bacteria (DUF2130)
      cl29414
      Location:5276
      RPEL; RPEL repeat
      cl41773
      Location:649826
      SP1-4_N; N-terminal domain of transcription factor Specificity Proteins (SP) 1-4
    9. XM_006720914.3XP_006720977.1  myocardin-related transcription factor B isoform X4

      See identical proteins and their annotated locations for XP_006720977.1

      UniProtKB/Swiss-Prot
      Q9ULH7
      Conserved Domains (8) summary
      smart00707
      Location:139164
      RPEL; Repeat in Drosophila CG10860, human KIAA0680 and C. elegans F26H9.2
      PHA03247
      Location:197410
      PHA03247; large tegument protein UL36; Provisional
      PRK10263
      Location:609796
      PRK10263; DNA translocase FtsK; Provisional
      TIGR02784
      Location:192274
      addA_alphas; double-strand break repair helicase AddA, alphaproteobacterial type
      pfam02037
      Location:403433
      SAP; SAP domain
      pfam02755
      Location:96119
      RPEL; RPEL repeat
      pfam09903
      Location:568605
      DUF2130; Uncharacterized protein conserved in bacteria (DUF2130)
      cl29414
      Location:5276
      RPEL; RPEL repeat
    10. XM_047434398.1XP_047290354.1  myocardin-related transcription factor B isoform X3

    11. XM_047434405.1XP_047290361.1  myocardin-related transcription factor B isoform X7

    12. XM_006720909.5XP_006720972.1  myocardin-related transcription factor B isoform X1

      See identical proteins and their annotated locations for XP_006720972.1

      UniProtKB/Swiss-Prot
      Q9ULH7
      Conserved Domains (6) summary
      PHA03247
      Location:197410
      PHA03247; large tegument protein UL36; Provisional
      pfam02037
      Location:400433
      SAP; SAP domain
      pfam02755
      Location:141163
      RPEL; RPEL repeat
      pfam09903
      Location:568628
      DUF2130; Uncharacterized protein conserved in bacteria (DUF2130)
      cl29414
      Location:5276
      RPEL; RPEL repeat
      cl41773
      Location:649826
      SP1-4_N; N-terminal domain of transcription factor Specificity Proteins (SP) 1-4
    13. XM_011522568.3XP_011520870.1  myocardin-related transcription factor B isoform X1

      See identical proteins and their annotated locations for XP_011520870.1

      UniProtKB/Swiss-Prot
      Q9ULH7
      Conserved Domains (6) summary
      PHA03247
      Location:197410
      PHA03247; large tegument protein UL36; Provisional
      pfam02037
      Location:400433
      SAP; SAP domain
      pfam02755
      Location:141163
      RPEL; RPEL repeat
      pfam09903
      Location:568628
      DUF2130; Uncharacterized protein conserved in bacteria (DUF2130)
      cl29414
      Location:5276
      RPEL; RPEL repeat
      cl41773
      Location:649826
      SP1-4_N; N-terminal domain of transcription factor Specificity Proteins (SP) 1-4
    14. XM_047434400.1XP_047290356.1  myocardin-related transcription factor B isoform X3

    15. XM_047434403.1XP_047290359.1  myocardin-related transcription factor B isoform X4

    16. XM_047434397.1XP_047290353.1  myocardin-related transcription factor B isoform X1

    17. XM_047434394.1XP_047290350.1  myocardin-related transcription factor B isoform X1

    18. XM_047434395.1XP_047290351.1  myocardin-related transcription factor B isoform X1

    19. XM_017023502.1XP_016878991.1  myocardin-related transcription factor B isoform X1

      UniProtKB/Swiss-Prot
      Q9ULH7
      Conserved Domains (6) summary
      PHA03247
      Location:197410
      PHA03247; large tegument protein UL36; Provisional
      pfam02037
      Location:400433
      SAP; SAP domain
      pfam02755
      Location:141163
      RPEL; RPEL repeat
      pfam09903
      Location:568628
      DUF2130; Uncharacterized protein conserved in bacteria (DUF2130)
      cl29414
      Location:5276
      RPEL; RPEL repeat
      cl41773
      Location:649826
      SP1-4_N; N-terminal domain of transcription factor Specificity Proteins (SP) 1-4
    20. XM_047434396.1XP_047290352.1  myocardin-related transcription factor B isoform X1

    21. XM_047434401.1XP_047290357.1  myocardin-related transcription factor B isoform X3

    22. XM_017023503.3XP_016878992.1  myocardin-related transcription factor B isoform X2

      Conserved Domains (7) summary
      smart00707
      Location:102127
      RPEL; Repeat in Drosophila CG10860, human KIAA0680 and C. elegans F26H9.2
      PHA03247
      Location:160373
      PHA03247; large tegument protein UL36; Provisional
      TIGR02784
      Location:155237
      addA_alphas; double-strand break repair helicase AddA, alphaproteobacterial type
      pfam02037
      Location:366396
      SAP; SAP domain
      pfam02755
      Location:5982
      RPEL; RPEL repeat
      pfam09903
      Location:531568
      DUF2130; Uncharacterized protein conserved in bacteria (DUF2130)
      cl29414
      Location:1539
      RPEL; RPEL repeat
    23. XM_017023504.2XP_016878993.1  myocardin-related transcription factor B isoform X5

      Conserved Domains (6) summary
      smart00707
      Location:128153
      RPEL; Repeat in Drosophila CG10860, human KIAA0680 and C. elegans F26H9.2
      PHA03247
      Location:186399
      PHA03247; large tegument protein UL36; Provisional
      PRK10263
      Location:598785
      PRK10263; DNA translocase FtsK; Provisional
      pfam02037
      Location:392422
      SAP; SAP domain
      pfam02755
      Location:85108
      RPEL; RPEL repeat
      pfam09903
      Location:557594
      DUF2130; Uncharacterized protein conserved in bacteria (DUF2130)
    24. XM_047434404.1XP_047290360.1  myocardin-related transcription factor B isoform X6

    25. XM_011522569.3XP_011520871.1  myocardin-related transcription factor B isoform X6

      See identical proteins and their annotated locations for XP_011520871.1

      Conserved Domains (6) summary
      smart00707
      Location:6893
      RPEL; Repeat in Drosophila CG10860, human KIAA0680 and C. elegans F26H9.2
      PHA03247
      Location:126339
      PHA03247; large tegument protein UL36; Provisional
      TIGR02784
      Location:121203
      addA_alphas; double-strand break repair helicase AddA, alphaproteobacterial type
      pfam02037
      Location:332362
      SAP; SAP domain
      pfam02755
      Location:2548
      RPEL; RPEL repeat
      pfam09903
      Location:497534
      DUF2130; Uncharacterized protein conserved in bacteria (DUF2130)

    Alternate T2T-CHM13v2.0

    Genomic

    1. NC_060940.1 Alternate T2T-CHM13v2.0

      Range
      14032048..14304042
      Download
      GenBank, FASTA, Sequence Viewer (Graphics)

    mRNA and Protein(s)

    1. XM_054313537.1XP_054169512.1  myocardin-related transcription factor B isoform X1

    2. XM_054313536.1XP_054169511.1  myocardin-related transcription factor B isoform X1

    3. XM_054313538.1XP_054169513.1  myocardin-related transcription factor B isoform X1

    4. XM_054313553.1XP_054169528.1  myocardin-related transcription factor B isoform X4

    5. XM_054313535.1XP_054169510.1  myocardin-related transcription factor B isoform X1

    6. XM_054313545.1XP_054169520.1  myocardin-related transcription factor B isoform X1

    7. XM_054313549.1XP_054169524.1  myocardin-related transcription factor B isoform X3

    8. XM_054313543.1XP_054169518.1  myocardin-related transcription factor B isoform X1

    9. XM_054313552.1XP_054169527.1  myocardin-related transcription factor B isoform X4

    10. XM_054313548.1XP_054169523.1  myocardin-related transcription factor B isoform X3

    11. XM_054313558.1XP_054169533.1  myocardin-related transcription factor B isoform X7

    12. XM_054313534.1XP_054169509.1  myocardin-related transcription factor B isoform X1

    13. XM_054313539.1XP_054169514.1  myocardin-related transcription factor B isoform X1

    14. XM_054313550.1XP_054169525.1  myocardin-related transcription factor B isoform X3

    15. XM_054313554.1XP_054169529.1  myocardin-related transcription factor B isoform X4

    16. XM_054313546.1XP_054169521.1  myocardin-related transcription factor B isoform X1

    17. XM_054313540.1XP_054169515.1  myocardin-related transcription factor B isoform X1

    18. XM_054313542.1XP_054169517.1  myocardin-related transcription factor B isoform X1

    19. XM_054313541.1XP_054169516.1  myocardin-related transcription factor B isoform X1

    20. XM_054313544.1XP_054169519.1  myocardin-related transcription factor B isoform X1

    21. XM_054313551.1XP_054169526.1  myocardin-related transcription factor B isoform X3

    22. XM_054313547.1XP_054169522.1  myocardin-related transcription factor B isoform X2

    23. XM_054313555.1XP_054169530.1  myocardin-related transcription factor B isoform X5

    24. XM_054313557.1XP_054169532.1  myocardin-related transcription factor B isoform X6

    25. XM_054313556.1XP_054169531.1  myocardin-related transcription factor B isoform X6

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