National Center for
Biotechnology Information

2AXT: Crystal Structure of Photosystem II from Thermosynechococcus elongatus

PDB ID:

2AXT Download

MMDB ID:

36695

PDB Deposition Date:

2005/9/6

Updated in MMDB:

2012/12

Experimental Method:

x-ray diffraction

Resolution:

3 Å

Source Organism:

Thermosynechococcus vestitus BP-1▼

Taxonomy	Molecule
Thermosynechococcus vestitus BP-1	B, C, D, b, c, d
Thermosynechococcus vestitus	A, E, F, H, I, J, K, L, M, O, T, U, V, X, Z, a, e, f, h, i, j, k, l, m, o, t, u, v, x, z

Similar Structures:

Biological Unit for 2AXT: 36-meric; determined by author

Molecular Components in 2AXT
Label	Count	Molecule
Proteins (36 molecules)
A a	2	Photosystem Q(b) Protein
B b	2	Cp47 Protein
C c	2	Photosystem II Cp43 Protein
D d	2	Photosystem II Reaction Center D2 Protein
E e	2	Cytochrome B559 Alpha Subunit
F f	2	Cytochrome B559 Beta Subunit
H h	2	Photosystem II Reaction Center H Protein
I i	2	Photosystem II Reaction Center I Protein
J j	2	Photosystem II Reaction Center J Protein
K k	2	Photosystem II Reaction Center Protein K
L l	2	Photosystem II Reaction Center L Protein
M m	2	Photosystem II Reaction Center M Protein
O o	2	Photosystem II Manganese-stabilizing Polypeptide
T t	2	Photosystem II Reaction Center T Protein
U u	2	Photosystem II 12 KDA Extrinsic Protein
V v	2	Cytochrome C-550
X x	2	Unassigned Subunits
Z z	2	Photosystem II Reaction Center Z Protein
Chemicals and Non-standard biopolymers (180 molecules)
1	2	FE (II) ION (Link to PubChem not yet available)
2	70	CHLOROPHYLL A (Link to PubChem not yet available)
3	4	PHEOPHYTIN A (Link to PubChem not yet available)
4	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)
5	2	OXYGEN EVOLVING SYSTEM (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	6	1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL (Link to PubChem not yet available)
9	6	DODECYL-BETA-D-MALTOSIDE (Link to PubChem not yet available)
10	12	(1S)-2-(ALPHA-L-ALLOPYRANOSYLOXY)-1-[(TRIDECANOYLOXY)METHYL]ETHYL PALMITATE (Link to PubChem not yet available)
11	34	UNKNOWN (Link to PubChem not yet available)
12	8	DIGALACTOSYL DIACYL GLYCEROL (DGDG) (Link to PubChem not yet available)
13	2	BICARBONATE ION (Link to PubChem not yet available)
14	4	PROTOPORPHYRIN IX CONTAINING FE (Link to PubChem not yet available)
15	2	CALCIUM ION (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