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6KAC: Cryo-EM structure of the C2S2-type PSII-LHCII supercomplex from Chlamydomonas reihardtii

PDB ID:	6KAC Download
MMDB ID:	180648
PDB Deposition Date:	2019/6/21
Updated in MMDB:	2019/12
Experimental Method:	electron microscopy
Resolution:	2.7 Å
Source Organism:	Chlamydomonas reinhardtii
Similar Structures:

Biological Unit for 6KAC: 56-meric; determined by author

Molecular Components in 6KAC
Label	Count	Molecule
Proteins (56 molecules)
A a	2	Photosystem II Protein D1 (Gene symbol: psbA)
B b	2	Photosystem II Cp47 Reaction Center Protein (Gene symbol: psbB)
V v	2	Photosystem II Reaction Center Protein Ycf12
C c	2	Photosystem II Cp43 Reaction Center Protein (Gene symbol: psbC)
D d	2	Photosystem II D2 Protein (Gene symbol: psbD)
E e	2	Cytochrome B559 Subunit Alpha (Gene symbol: psbE)
F f	2	Cytochrome B559 Subunit Beta (Gene symbol: psbF)
H h	2	Photosystem II Reaction Center Protein H (Gene symbol: psbH)
I i	2	Photosystem II Reaction Center Protein I (Gene symbol: psbI)
J j	2	Photosystem II Reaction Center Protein J (Gene symbol: psbJ)
K k	2	Photosystem II Reaction Center Protein K (Gene symbol: psbK)
L l	2	Photosystem II Reaction Center Protein L (Gene symbol: psbL)
M m	2	Photosystem II Reaction Center Protein M (Gene symbol: psbM)
O o	2	Oxygen-evolving Enhancer Protein 1, Chloroplastic
P p	2	Oxygen-evolving Enhancer Protein 2, Chloroplastic
Q q	2	Oxygen-evolving Enhancer Protein 3, Chloroplastic (Gene symbol: PSBQ)
T t	2	Photosystem II Reaction Center Protein T (Gene symbol: psbT)
W w	2	Photosystem II Reaction Center W Protein, Chloroplastic (Gene symbol: PSBW)
X x	2	4.1 KDA Photosystem II Subunit
Z z	2	Photosystem II Reaction Center Protein Z (Gene symbol: psbZ)
N n	2	Chlorophyll A-B Binding Protein, Chloroplastic
G g	2	Chlorophyll A-B Binding Protein, Chloroplastic
R r	2	Chlorophyll A-B Binding Protein Cp29 (Gene symbol: LHCB4)
S s	2	Chlorophyll A-B Binding Protein, Chloroplastic
Y y	2	Chlorophyll A-B Binding Protein, Chloroplastic
U u	2	Predicted Protein
1 0	2	10 KDA Photosystem II Polypeptide Psbr (Potential)
4 3	2	Unindentified Stromal Protein (Usp)
Chemicals and Non-standard biopolymers (318 molecules)
1	2	CA-MN4-O5 CLUSTER
2	2	FE (II) ION
3	4	CHLORIDE ION
4	148	CHLOROPHYLL A
5	4	PHEOPHYTIN A
6	20	BETA-CAROTENE
7	4	1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL
8	10	1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE
9	10	DIGALACTOSYL DIACYL GLYCEROL (DGDG)
10	18	1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE
11	2	BICARBONATE ION
12	2	2,3-DIMETHYL-5-(3,7,11,15,19,23,27,31,35-NONAMETHYL-2,6,10,14,18,22,26,30,34-HEXATRIACONTANONAENYL-2,5-CYCLOHEXADIENE-1,4-DIONE-2,3-DIMETHYL-5-SOLANESYL-1,4-BENZOQUINONE
13	2	PROTOPORPHYRIN IX CONTAINING FE
14	6	DODECYL-ALPHA-D-MALTOSIDE
15	50	CHLOROPHYLL B
16	16	(3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL
17	8	(3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL
18	10	(1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY-2,2,6-TRIMETHYL-7-OXABICYCLO[4.1.0]HEPT-1-YL]-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAENYLIDENE}-1,5,5-TRIMETHYLCYCLOHEXANE-1,3-DIOL