National Center for
Biotechnology Information

3A0B: Crystal structure of Br-substituted Photosystem II complex

PDB ID:	3A0B Download
MMDB ID:	72732
PDB Deposition Date:	2009/3/16
Updated in MMDB:	2023/11
Experimental Method:	x-ray diffraction
Resolution:	3.7 Å
Source Organism:	Thermostichus vulcanus
Similar Structures:

Biological Unit for 3A0B: 40-meric; determined by author

Molecular Components in 3A0B
Label	Count	Molecule
Proteins (40 molecules)
A a	2	Photosystem Q(b) Protein
B b	2	Photosystem II Core Light Harvesting Protein
C c	2	Photosystem II Cp43 Protein
D d	2	Photosystem II D2 Protein
E e	2	Cytochrome B559 Subunit Alpha
F f	2	Cytochrome B559 Subunit Beta
H h	2	Photosystem II Reaction Center Protein H
I i	2	Photosystem II Reaction Center Protein I
J j	2	Photosystem II Reaction Center Protein J
K k	2	Photosystem II Reaction Center Protein K
L l	2	Photosystem II Reaction Center Protein L
M m	2	Photosystem II Reaction Center Protein M
O o	2	Photosystem II Manganese-stabilizing Polypeptide
T t	2	Photosystem II Reaction Center Protein T
U u	2	Photosystem II 12 KDA Extrinsic Protein
V v	2	Cytochrome C-550
X x	2	Photosystem II Reaction Center Protein X
Y y	2	Photosystem II Reaction Center Protein Ycf12
N n	2	Photosystem II Reaction Center Protein Y
Z z	2	Photosystem II Reaction Center Protein Z
Chemicals and Non-standard biopolymers (130 molecules)
1	2	OXYGEN EVOLVING SYSTEM (Link to PubChem not yet available)
2	2	FE (II) ION (Link to PubChem not yet available)
3	70	CHLOROPHYLL A (Link to PubChem not yet available)
4	4	PHEOPHYTIN A (Link to PubChem not yet available)
5	4	5-[(2E,6E,10E,14E,18E,22E)-3,7,11,15,19,23,27-HEPTAMETHYLOCTACOSA-2,6,10,14,18,22,26-HEPTAENYL]-2,3-DIMETHYLBENZO-1,4-QUINONE (Link to PubChem not yet available)
6	22	BETA-CAROTENE (Link to PubChem not yet available)
7	2	1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE (Link to PubChem not yet available)
8	4	BROMIDE ION (Link to PubChem not yet available)
9	8	(1S)-2-(ALPHA-L-ALLOPYRANOSYLOXY)-1-[(TRIDECANOYLOXY)METHYL]ETHYL PALMITATE (Link to PubChem not yet available)
10	8	DIGALACTOSYL DIACYL GLYCEROL (DGDG) (Link to PubChem not yet available)
11	4	PROTOPORPHYRIN IX CONTAINING FE (Link to PubChem not yet available)

* Click molecule labels to explore molecular sequence information.

Citing MMDB

Madej T, Lanczycki CJ, Zhang D, Thiessen PA, Geer RC, Marchler-Bauer A, Bryant SH. " MMDB and VAST+: tracking structural similarities between macromolecular complexes. Nucleic Acids Res. 2014 Jan; 42(Database issue):D297-303