F-box domain found in F-box only protein 48 (FBXO48) and similar proteins; FBXO48, also called FBX48, is one of the paralogs of the F-box only protein 7 (FBXO7), which is the causative gene for PARK15 (also known as Parkinsonian-pyramidal disease, PPD). The F-box domain has a role in mediating protein-protein interactions in a variety of contexts, such as polyubiquitination, transcription elongation, centromere binding and translational repression.

                          10        20        30        40
                  ....*....|....*....|....*....|....*....|....*.
gi 1034615029  35 FELLPAEITFKIFSQLDIRSLCRASLTCRSWNDTIRNSDSLWKPHC 80
Cdd:cd22113     1 IELLPPEMSLRIFSQLDVQSLCRASQTCKTWNDLIENSDYLWRPHC 46

F-box domain found in F-box only protein 48 (FBXO48) and similar proteins; FBXO48, also called FBX48, is one of the paralogs of the F-box only protein 7 (FBXO7), which is the causative gene for PARK15 (also known as Parkinsonian-pyramidal disease, PPD). The F-box domain has a role in mediating protein-protein interactions in a variety of contexts, such as polyubiquitination, transcription elongation, centromere binding and translational repression.

                          10        20        30        40
                  ....*....|....*....|....*....|....*....|....*.
gi 1034615029  35 FELLPAEITFKIFSQLDIRSLCRASLTCRSWNDTIRNSDSLWKPHC 80
Cdd:cd22113     1 IELLPPEMSLRIFSQLDVQSLCRASQTCKTWNDLIENSDYLWRPHC 46

A Receptor for Ubiquitination Targets;

                           10        20        30        40
                   ....*....|....*....|....*....|....*....|
gi 1034615029   38 LPAEITFKIFSQLDIRSLCRASLTCRSWNDTIRNSDSLWK 77
Cdd:smart00256   1 LPDEILEEILSKLDPKDLLRLRKVSRKWRSLIDSHDFWFK 40

F-box domain found in F-box only protein 48 (FBXO48) and similar proteins; FBXO48, also called FBX48, is one of the paralogs of the F-box only protein 7 (FBXO7), which is the causative gene for PARK15 (also known as Parkinsonian-pyramidal disease, PPD). The F-box domain has a role in mediating protein-protein interactions in a variety of contexts, such as polyubiquitination, transcription elongation, centromere binding and translational repression.

                          10        20        30        40
                  ....*....|....*....|....*....|....*....|....*.
gi 1034615029  35 FELLPAEITFKIFSQLDIRSLCRASLTCRSWNDTIRNSDSLWKPHC 80
Cdd:cd22113     1 IELLPPEMSLRIFSQLDVQSLCRASQTCKTWNDLIENSDYLWRPHC 46

F-box-like; This is an F-box-like family.

                          10        20        30        40
                  ....*....|....*....|....*....|....*....|...
gi 1034615029  35 FELLPAEITFKIFSQLDIRSLCRASLTCRSWNDTIrNSDSLWK 77
Cdd:pfam12937   1 LSSLPDEILLQIFSYLDPKDLLRLALVCRRWRELA-SDDSLWR 42

F-box domain superfamily; This short domain is commonly found at the N-terminus of various proteins, and typically co-occurs with one or more other conserved domains or motifs, such as leucine rich repeats, WD40 repeats, kelch, tub, spry, and others. The F-box domain has a role in mediating protein-protein interactions in a variety of contexts, such as polyubiquitination, transcription elongation, centromere binding and translational repression. One of the best researched roles of F-box proteins is their participation in SCF (Skp1-Cul1-F-box protein), a multi-protein complex that functions as a ubiquitin E3 ligase, where the role of the F-box protein is to recruit target substrates. Gene families containing the F-box are found greatly expanded in narrow taxonomic lineages, such as flowering plants and nematodes. In this hierarchical classification, many of the subfamilies are named according to their domain architectures.

                          10        20        30
                  ....*....|....*....|....*....|...
gi 1034615029  38 LPAEITFKIFSQLDIRSLCRASLTCRSWNDTIR 70
Cdd:cd09917     3 LPDEILLKILSYLDPRDLLRLSLVCKRWRELAS 35

F-box domain found in F-box only protein 16 (FBXO16), epithelial cell-transforming sequence 2 oncogene-like (ECT2L) and similar proteins; This family includes FBXO16 and ECT2L. FBXO16, also called FBX16, is part of an SCF (SKP1-cullin-F-box) protein ligase complex. It probably recognizes and binds to some phosphorylated proteins and promotes their ubiquitination and degradation. It functions as a tumor suppressor by attenuating nuclear beta-catenin function. ECT2L, also called lung-specific F-box and DH domain-containing protein, or putative guanine nucleotide exchange factor LFDH, may act as a guanine nucleotide exchange factor (GEF). The F-box domain has a role in mediating protein-protein interactions in a variety of contexts, such as polyubiquitination, transcription elongation, centromere binding and translational repression.

                          10        20        30        40
                  ....*....|....*....|....*....|....*....|....*...
gi 1034615029  33 NFFELLPAEITFKIFSQLDIRSLCRASLTCRSWNdTIRNSDSLWKPHC 80
Cdd:cd22094     1 DFTRVLPRFLSLYIFSYLDPRSLCRAAQVSWYWK-FLCESDELWLPKC 47

F-box domain found in F-box/WD repeat-containing protein 4 (FBXW4) and similar proteins; FBXW4, also called dactylin, or F-box and WD-40 domain-containing protein 4, probably recognizes and binds to some phosphorylated proteins and promotes their ubiquitination and degradation. It is likely to be involved in key signaling pathways crucial for normal limb development. It may participate in Wnt signaling and act as a novel tumor suppressor that regulates important cellular processes. The F-box domain has a role in mediating protein-protein interactions in a variety of contexts, such as polyubiquitination, transcription elongation, centromere binding and translational repression.

                          10        20        30        40
                  ....*....|....*....|....*....|....*....|..
gi 1034615029  38 LPAEITFKIFSQLDIRSLCRASLTCRSWNDTIrNSDSLWKPH 79
Cdd:cd20090     5 LPDDLLFLIFSYLDPASLGRLSQVCRRLYRLI-SRDAVWRRI 45

F-box domain found in F-box/WD repeat-containing protein 2 (FBXW2) and similar proteins; FBXW2, also called F-box and WD-40 domain-containing protein 2, or protein MD6, is the substrate-recognition component of an SCF (SKP1-CUL1-F-box protein)-type E3 ubiquitin ligase complex. It acts as a tumor suppressor by promoting SKP2 degradation. The F-box domain has a role in mediating protein-protein interactions in a variety of contexts, such as polyubiquitination, transcription elongation, centromere binding and translational repression.

                          10        20        30
                  ....*....|....*....|....*....|....*....
gi 1034615029  33 NFFELLPAEITFKIFSQLDIRSLCRASLTCRSWNDTIRN 71
Cdd:cd22131     1 DFLKLLPLELSFYLLSFLDPESLLTCCLVSKQWNKVISS 39

F-box domain; This domain is approximately 50 amino acids long, and is usually found in the N-terminal half of a variety of proteins. Two motifs that are commonly found associated with the F-box domain are the leucine rich repeats (LRRs; pfam00560 and pfam07723) and the WD repeat (pfam00400). The F-box domain has a role in mediating protein-protein interactions in a variety of contexts, such as polyubiquitination, transcription elongation, centromere binding and translational repression.

                          10        20        30        40
                  ....*....|....*....|....*....|....*....|...
gi 1034615029  35 FELLPAEITFKIFSQLDIRSLCRASLTCRSWNDTIRNSDSLWK 77
Cdd:pfam00646   1 LLDLPDDLLLEILSRLDPKDLLRLSLVSKRWRSLVDSLKLWKK 43

F-box domain found in F-box/LRR-repeat protein 5 (FBXL5) and similar proteins; FBXL5, also called F-box and leucine-rich repeat protein 5, F-box protein FBL4/FBL5, or p45SKP2-like protein, is the substrate-recognition component of an SCF (SKP1-cullin-F-box) protein ligase complex that plays a central role in iron homeostasis by promoting the ubiquitination and subsequent degradation of IREB2/IRP2. The F-box domain has a role in mediating protein-protein interactions in a variety of contexts, such as polyubiquitination, transcription elongation, centromere binding and translational repression.

                          10        20        30        40
                  ....*....|....*....|....*....|....*....|..
gi 1034615029  35 FELLPAEITFKIFSQLDIRSLCRASLTCRSWNDTIRnSDSLW 76
Cdd:cd22118     1 ISSLPPEIMLKIFSYLNPQDLCRCAQVCTKWSQLAR-DGSLW 41

F-box domain found in F-box only protein 41 (FBXO41) and similar proteins; FBXO41, also called FBX41, is the substrate-recognition component of an SCF (SKP1-CUL1-F-box protein)-type E3 ubiquitin ligase complex. It acts as a novel central nervous system (CNS)-specific F-box protein that localizes to the centrosome and the cytoplasm of neurons and promotes neuronal migration. The F-box domain has a role in mediating protein-protein interactions in a variety of contexts, such as polyubiquitination, transcription elongation, centromere binding and translational repression.

                          10        20        30        40
                  ....*....|....*....|....*....|....*....|....
gi 1034615029  35 FELLPAE-ITFKIFSQLDIRSLCRASLTCRSWNDTIRnSDSLWK 77
Cdd:cd22109     2 LESLRRRdALFCVFSYLDTKSLLRCAEVCREWRDVSR-HPALWQ 44

F-box domain found in F-box only protein 3 (FBXO3) and similar proteins; FBXO3, also called FBX3, is the substrate-recognition component of an SCF (SKP1-CUL1-F-box protein)-type E3 ubiquitin ligase complex. It mediates the ubiquitination of HIPK2 and probably that of EP300, leading to rapid degradation by the proteasome. It also promotes ubiquitylation and transcriptional activity of AIRE (autoimmune regulator). The F-box domain has a role in mediating protein-protein interactions in a variety of contexts, such as polyubiquitination, transcription elongation, centromere binding and translational repression.

                          10        20        30        40
                  ....*....|....*....|....*....|....*....|....*.
gi 1034615029  35 FELLPAEITFKIFSQLDIRSLCRASLTCRSWNDtIRNSDSLWKPHC 80
Cdd:cd22084     1 LDDLPSDPLLNILSFLDYRDLISCSQVCRRLNQ-LCSHDPLWKRLC 45

F-box domain found in F-box only protein 7 (FBXO7) and similar proteins; FBXO7, also called FBX7, is the substrate-recognition component of an SCF (SKP1-CUL1-F-box protein) E3 ubiquitin-protein ligase complex which mediates the ubiquitination and subsequent proteasomal degradation of target proteins. It recognizes BIRC2 and DLGAP5. FBXO7 plays a role downstream of PINK1 in the clearance of damaged mitochondria via selective autophagy (mitophagy) by targeting PRKN to dysfunctional depolarized mitochondria. It promotes MFN1 ubiquitination. FBXO7 acts as a cell cycle regulator by enhancing cyclin D/cyclin-dependent kinase 6 (Cdk6) complex formation and stabilizing levels of p27, a cyclin-dependent kinase inhibitor. Mutations in the FBXO7 (PARK15) gene have been implicated in a juvenile form of parkinsonism called parkinsonian pyramidal syndrome (PPS), characterized by Parkinsonian symptoms and pyramidal tract signs. The F-box domain has a role in mediating protein-protein interactions in a variety of contexts, such as polyubiquitination, transcription elongation, centromere binding and translational repression.

                          10        20        30        40
                  ....*....|....*....|....*....|....*....|...
gi 1034615029  35 FELLPAEITFKIFSQLDIRSLCRASLTCRSWNdTIRNSDSLWK 77
Cdd:cd22087     1 LLALPPEIKLRILSLLDVRSLLSLSQVCRDLN-SATNDQLLWR 42

F-box domain found in uncharacterized F-box protein group similar to F-box only protein 3 (FBXO3); This subfamily corresponds to a group of uncharacterized F-box proteins which show sequence similarity to F-box only protein 3 (FBXO3). FBXO3, also called FBX3, is the substrate-recognition component of an SCF (SKP1-CUL1-F-box protein)-type E3 ubiquitin ligase complex, that mediates the ubiquitination of HIPK2 and probably that of EP300, leading to rapid degradation by the proteasome. It also promotes ubiquitylation and transcriptional activity of AIRE (autoimmune regulator). The F-box domain has a role in mediating protein-protein interactions in a variety of contexts, such as polyubiquitination, transcription elongation, centromere binding and translational repression.

                          10        20        30        40
                  ....*....|....*....|....*....|....*....|....
gi 1034615029  37 LLPAEITFKIFSQLDIRSLCRASLTCRSWNdTIRNSDSLWKPHC 80
Cdd:cd22139     3 CLPDELWLHIFSFLSPKDLCQVALVCRRFN-RLASDESLWKQIC 45

F-box domain found in F-box only protein 10 (FBXO10) and similar proteins; FBXO10, also called FBX10, or PRMT11, is the substrate-recognition component of an SCF (SKP1-CUL1-F-box protein)-type E3 ubiquitin ligase complex. The SCF(FBXO10) complex mediates ubiquitination and degradation of BCL2, an anti-apoptotic protein, thereby playing a role in apoptosis by controlling the stability of BCL2. It also associates with the receptor for advanced glycation end products (RAGE) to mediate its ubiquitination and degradation. The F-box domain has a role in mediating protein-protein interactions in a variety of contexts, such as polyubiquitination, transcription elongation, centromere binding and translational repression.

                          10        20        30        40
                  ....*....|....*....|....*....|....*....|....*
gi 1034615029  38 LPAEITFKIFSQLDIRSLCRASLTCRSWNDTIRNSDS-LWKPHCM 81
Cdd:cd22090     5 LPLELWRLILAYLPVRDLCRCCQVCRAWYELILSLDStRWKQLYL 49

F-box domain found in epithelial cell-transforming sequence 2 oncogene-like (ECT2L) and similar proteins; ECT2L, also called lung-specific F-box and DH domain-containing protein, or putative guanine nucleotide exchange factor LFDH, may act as a guanine nucleotide exchange factor (GEF). The F-box domain has a role in mediating protein-protein interactions in a variety of contexts, such as polyubiquitination, transcription elongation, centromere binding and translational repression.

                          10        20        30        40
                  ....*....|....*....|....*....|....*....|....*....
gi 1034615029  33 NFFELLPAEITFKIFSQLDIRSLCRASLTCRSWNdTIRNSDSLWKPHCM 81
Cdd:cd22173     1 DFTTVLPRFLSLYIFSFLDPRSLCRAAQVSWHWK-FLAEQDCLWMPKCV 48

F-box domain found in F-box only protein 33 (FBXO33) and similar proteins; FBXO33, also called FBX33, is the substrate-recognition component of an SCF (SKP1-CUL1-F-box protein) E3 ubiquitin-protein ligase complex which mediates the ubiquitination and subsequent proteasomal degradation of target proteins. It exerts similar functions as F-box involved in polyQ pathogenesis (FipoQ) in modulating the ubiquitination and solubility of expanded SCA3-polyQ proteins. The F-box domain has a role in mediating protein-protein interactions in a variety of contexts, such as polyubiquitination, transcription elongation, centromere binding and translational repression.

                          10        20        30        40
                  ....*....|....*....|....*....|....*....|...
gi 1034615029  35 FELLPAEITFKIFSQLDIRSLCRASLTCRSWNDTIRNSdSLWK 77
Cdd:cd22104     1 WANLPSVVLVHIFSYLPPRDRLRASSTCRRWREALFHP-SLWR 42

F-box domain found in F-box/WD repeat-containing protein 7 (FBXW7) and similar proteins; FBXW7, also called Archipelago homolog (Ago), F-box and WD-40 domain-containing protein 7, F-box protein FBX30, SEL-10, or Cdc4, is the substrate-recognition component of an SCF (SKP1-CUL1-F-box protein) E3 ubiquitin-protein ligase complex which mediates the ubiquitination and subsequent proteasomal degradation of target proteins, such as cyclin-E (CCNE1 or CCNE2), DISC1, JUN, MYC, NOTCH1 released notch intracellular domain (NICD), NOTCH2, MCL1, and probably PSEN1. The F-box domain has a role in mediating protein-protein interactions in a variety of contexts, such as polyubiquitination, transcription elongation, centromere binding and translational repression.

                          10        20        30        40
                  ....*....|....*....|....*....|....*....|....*..
gi 1034615029  31 QNNFFELLPAEITFKIFSQLDIRSLCRASLTCRSWNdTIRNSDSLWK 77
Cdd:cd22133    14 QRDFISLLPKELALYVLSFLEPKDLLQAAQTCRYWR-ILAEDNLLWR 59

F-box domain found in F-box/LRR-repeat protein 13 (FBXL13) and similar proteins; FBXL13, also called F-box and leucine-rich repeat protein 13, or dynein regulatory complex subunit 6, is a component of the nexin-dynein regulatory complex (N-DRC), a key regulator of ciliary/flagellar motility which maintains the alignment and integrity of the distal axoneme and regulates microtubule sliding in motile axonemes. It is also the substrate-recognition component of an SCF (SKP1-CUL1-F-box protein)-type E3 ubiquitin ligase complex. The F-box domain has a role in mediating protein-protein interactions in a variety of contexts, such as polyubiquitination, transcription elongation, centromere binding and translational repression.

                          10        20        30        40
                  ....*....|....*....|....*....|....*....|
gi 1034615029  37 LLPAEITFKIFSQLDIRSLCRASLTCRSWNdTIRNSDSLW 76
Cdd:cd22124     3 LLPRKAALKIFSYLDLRDLARCAQVCRSWK-VITQSSSLW 41

F-box domain found in Saccharomyces cerevisiae cell division control protein 4 (ScCDC4) and similar proteins; ScCDC4 is the substrate-recognition component of an SCF (SKP1-CUL1-F-box protein) E3 ubiquitin-protein ligase complex which mediates the ubiquitination and subsequent proteasomal degradation of target proteins. It is essential for initiation of DNA replication and separation of the spindle pole bodies to form the poles of the mitotic spindle. It also plays a role in bud development, fusion of zygotic nuclei after conjugation and various aspects of sporulation. The F-box domain has a role in mediating protein-protein interactions in a variety of contexts, such as polyubiquitination, transcription elongation, centromere binding and translational repression.

                          10        20        30        40
                  ....*....|....*....|....*....|....*....|....
gi 1034615029  38 LPAEITFKIFSQLDIRSLCRASLTCRSWNDTIRNSdSLWKPHCM 81
Cdd:cd22141     4 LPFEISLKIFNYLQFEDLLNSLGVSKKWNKIIRNT-ALWKKLLI 46

F-box domain found in Arabidopsis thaliana F-box/WD-40 repeat-containing protein 1 (AtFBW1) and similar proteins; AtFBW1, also called WD-40-associated F-box protein 1, is an F-box protein that contains four WD-40 repeats, which are separated from each other by a spacer region. Like other F-box proteins, AtFBW1 may be a component of SCF (Skp1 Cdc53 F-box protein) E3 ubiquitin ligase complexes, which may mediate the ubiquitination and subsequent proteasomal degradation of target proteins. This subfamily also contains many F-box only proteins that do not have any WD repeat. The F-box domain has a role in mediating protein-protein interactions in a variety of contexts, such as polyubiquitination, transcription elongation, centromere binding and translational repression.

                          10        20        30
                  ....*....|....*....|....*....|....*.
gi 1034615029  36 ELLPAEITFKIFSQLDIRSLCRASLTCRSWNDTIRN 71
Cdd:cd22157     1 SSLPDDLVEEILSRLPAKSLLRFRCVCKQWNSLISS 36

F-box domain found in F-box/LRR-repeat protein 12 (FBXL12) and similar proteins; FBXL12, also called F-box and leucine-rich repeat protein 12, or F-box protein FBL12, is the substrate-recognition component of an SCF (SKP1-CUL1-F-box protein)-type E3 ubiquitin ligase complex. It mediates the polyubiquitination and proteasomal degradation of calcium/calmodulin dependent protein kinase I (CAMK1) leading to disruption of cyclin D1/CDK4 complex assembly, which results in G1 cell cycle arrest in lung epithelia. It regulates T-cell differentiation in a cell-autonomous manner. The F-box domain has a role in mediating protein-protein interactions in a variety of contexts, such as polyubiquitination, transcription elongation, centromere binding and translational repression.

                          10        20        30        40
                  ....*....|....*....|....*....|....*....|...
gi 1034615029  35 FELLPAEITFKIFSQLDIRSLCRASLTCRSWNDTIrNSDSLWK 77
Cdd:cd22123     1 LDQLPENVLLEILSYLPVRDLLRISRVCKRWRRLV-YDKTLWR 42

F-box domain found in Saccharomyces cerevisiae mitochondrial F-box protein MFB1 (ScMFB1) and similar proteins; ScMFB1 is a novel mitochondria-associated F-box protein that functions to increase mitochondrial connectivity in yeast. ScMFB1 acts as a key component of a Skp1-Cdc53/Cullin-F-box protein (SCF) ubiquitin ligase complex machinery that regulates mitochondrial dynamics throughout the yeast's entire life cycle. It interacts with Skp1p in an F-box-dependent manner. The F-box domain has a role in mediating protein-protein interactions in a variety of contexts, such as polyubiquitination, transcription elongation, centromere binding and translational repression.

                          10        20        30        40
                  ....*....|....*....|....*....|....*....|
gi 1034615029  38 LPAEITFKIFSQLDIRSLCRASLTCRSWNdTIRNSDSLWK 77
Cdd:cd22146     4 LPLEILFEILIYLDIPDILNLSKTCRFLY-VLLNDEILWR 42

F-box domain found in F-box only protein 18 (FBXO18) and similar proteins; FBXO18, also called FBX18, or F-box DNA helicase 1 (FBH1), is a 3'-5' DNA helicase and the substrate-recognition component of the SCF(FBH1) E3 ubiquitin ligase complex that plays a key role in response to stalled/damaged replication forks. The F-box domain has a role in mediating protein-protein interactions in a variety of contexts, such as polyubiquitination, transcription elongation, centromere binding and translational repression.

                          10        20        30
                  ....*....|....*....|....*....|....*..
gi 1034615029  35 FELLPAEITFKIFSQLDIRSLCR-ASLTCRSWNDTIR 70
Cdd:cd22095     2 IQQLPEELLRNIFAFLPAEDLYQnISLVCRHWRDIVS 38

F-box domain found in F-box only protein 9 (FBXO9) and similar proteins; FBXO9, also called FBX9, cross-immune reaction antigen 1, renal carcinoma antigen NY-REN-57, or VCIA1, is the substrate-recognition component of an SCF (SKP1-CUL1-F-box protein) E3 ubiquitin-protein ligase complex which mediates the ubiquitination and subsequent proteasomal degradation of TTI1 and TELO2 in a CK2-dependent manner, thereby directly regulating mTOR signaling. FBXO9 acts as an E3 ubiquitin ligase that regulates the stability and activity of peroxisome proliferator-activated receptor gamma (PPARgamma) through ubiquitination. It is also required for adipocyte differentiation. The F-box domain has a role in mediating protein-protein interactions in a variety of contexts, such as polyubiquitination, transcription elongation, centromere binding and translational repression.

                          10        20        30
                  ....*....|....*....|....*....|
gi 1034615029  38 LPAEITFKIF----SQLDIRSLCRASLTCR 63
Cdd:cd22089     6 LPSEILLYILrwvvSDLDLRSLEQLSLVCR 35