National Center for
Biotechnology Information

8WQL: In situ PBS-PSII supercomplex from cyanobacterial Spirulina platensis

PDB ID:	8WQL Download
MMDB ID:	250454
PDB Deposition Date:	2023/10/11
Updated in MMDB:	2025/09
Experimental Method:	electron microscopy
Resolution:	3.5 Å
Source Organism:	Arthrospira sp. FACHB-439
Similar Structures:

Biological Unit for 8WQL: 445-meric; determined by author and by software

Molecular Components in 8WQL
Label	Count	Molecule
Proteins (445 molecules)
BA BC BH BI BJ B2 B3 B5 B6 B7 B8 B9	12	Lrc1
BB CB B4 C4	4	LCM
OB QB SB VB XB ZB JF LF XF ZF AG GG IG KG NG PG RG TG JK LK XK ZK AL GL IL KL NL PL RL TL …	64	Allophycocyanin Alpha Chain
PB RB TB WB YB IF KF MF YF HG JG LG MG OG SG UG WG IK KK MK YK HL JL LL ML OL SL UL WL a4 …	68	Allophycocyanin Beta Chain
UB NF NK b4 U4 bB 3F 2G 8G 3K 2L 8L	12	Phycobilisome 7.8 KDA Linker Polypeptide, Allophycocyanin-associated, Core
AD AE A1 a1 aD aE	6	Photosystem II Protein D1
BD BE B1 b1 bD bE	6	Photosystem II Cp47 Reaction Center Protein
CD CE C1 c1 cD cE	6	Photosystem II Cp43 Reaction Center Protein
DD DE D1 d1 dD dE	6	Photosystem II D2 Protein
ED EE E1 e1 eD eE	6	Cytochrome B559 Subunit Alpha
FD FE F1 f1 fD fE	6	Cytochrome B559 Subunit Beta
HD HE H1 h1 hD hE	6	Photosystem II Reaction Center Protein H
ID IE I1 i1 iD iE	6	Photosystem II Reaction Center Protein I
JD JE J1 j1 jD jE	6	Photosystem II Reaction Center Protein J
KD KE K1 k1 kD kE	6	Photosystem II Reaction Center Protein K
LD LE L1 l1 lD lE	6	Photosystem II Reaction Center Protein L
MD ME M1 m1 mD mE	6	Photosystem II Reaction Center Protein M
OD OE O1 o1 oD oE	6	Photosystem II Extrinsic Protein O
QD QE Q1 q1 qD qE	6	Psbq Protein
RD RE R1 r1 rD rE	6	Photosystem II Reaction Center Protein Y
SD SE S1	3	Lpp1
TD TE T1 t1 tD tE	6	Photosystem II Reaction Center Protein T
UD UE U1 u1 uD uE	6	Psbu
VD VE V1 v1 vD vE	6	Photosystem II Extrinsic Protein V
XD XE X1 x1 xD xE	6	Photosystem II Reaction Center Protein X
YD YE Y1 y1 yD yE	6	Photosystem II Reaction Center Protein Psb30
ZD ZE Z1 z1 zD zE	6	Photosystem II Reaction Center Protein Z
EF BG EK BL	4	Lpp2
QG QL gF gK	4	Allophycocyanin Beta-18 Subunit
VG VL mF mK	4	Allophycocyanin-b Alpha Subunit
b2 d2 f2 h2 j2 l2 b3 d3 f3 h3 j3 l3 b5 d5 f5 h5 j5 l5 b6 d6 f6 h6 j6 l6 b7 d7 f7 h7 j7 l7 …	72	C-phycocyanin Alpha Subunit
c2 e2 g2 i2 k2 m2 c3 e3 g3 i3 k3 m3 c5 e5 g5 i5 k5 m5 c6 e6 g6 i6 k6 m6 c7 e7 g7 i7 k7 m7 …	72	Phycocyanin Beta Subunit
Chemicals and Non-standard biopolymers (882 molecules)
1	348	PHYCOCYANOBILIN
2	6	CA-MN4-O5 CLUSTER
3	12	CHLORIDE ION
4	210	CHLOROPHYLL A
5	12	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
6	27	1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL
7	48	1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE
8	54	DODECYL-BETA-D-MALTOSIDE
9	6	BICARBONATE ION
10	27	1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE
11	60	BETA-CAROTENE
12	24	DIGALACTOSYL DIACYL GLYCEROL (DGDG)
13	12	PHEOPHYTIN A
14	6	FE (II) ION
15	12	PROTOPORPHYRIN IX CONTAINING FE
16	18	CALCIUM ION