Structure of PDB 8iwy Chain N

Receptor sequence

>8iwyN (length=218) Species: 3562 (Spinacia oleracea)

SPWYGPDRVKYLGPFSGESPSYLTGEFPGDYGWDTAGLSADPETFAKNRE
LEVIHCRWAMLGALGCVFPELLARNGVKFGEAVWFKAGSQIFSEGGLDYL
GNPSLVHAQSILAIWACQVILMGAVEGYRIAGGPLGEVVDPLYPGGSFDP
LGLADDPEAFAELKVKEIKNGRLAMFSMFGFFVQAIVTGKGPLENLADHL
ADPVNNNAWNFATNFVPG

3D structure

• PDB: 8iwy Cryo-EM structures of LHCII in photo-active and photo-protecting states reveal allosteric regulation of light harvesting and excess energy dissipation.
• Chain: N
• Resolution: 2.68 Å

Interaction with ligand

Site #	Ligand	Ligand chain	Binding residues on receptor (original residue number in PDB)	Binding residues on receptor (residue number reindexed from 1)	Binding affinity
BS01	CHL	N	T226 V229	T213 V216
BS02	CHL	N	V22 K23 L25 G26	V9 K10 L12 G13
BS03	CLA	N	G42 D43 Y44 W46 L51 N61 E65 R185 M188 F189 F192	G29 D30 Y31 W33 L38 N48 E52 R172 M175 F176 F179
BS04	CLA	N	G75 G78 F81 F92 Y112	G62 G65 F68 F79 Y99
BS05	CHL	N	L118 V119 H120 I127	L105 V106 H107 I114
BS06	CHL	N	I104 L110 Q131 L134	I91 L97 Q118 L121
BS07	CHL	N	W97 F98 G101 F195 I199	W84 F85 G88 F182 I186
BS08	CHL	N	R70 W71 V138 R142 L148 G149 P157 F161	R57 W58 V125 R129 L135 G136 P144 F148
BS09	CHL	N	L64 I67 H68 W71 M135 E139 F192	L51 I54 H55 W58 M122 E126 F179
BS10	CLA	N	R70 M73 Y156 G158 D162 L166 A167 F173 L176 K177 E180	R57 M60 Y143 G145 D149 L153 A154 F160 L163 K164 E167
BS11	CLA	N	K179 N183	K166 N170
BS12	CLA	N	N183 L186	N170 L173
BS13	CLA	N	F189 F192 G193 T201 H212 N220	F176 F179 G180 T188 H199 N207
BS14	CLA	N	H212 L213 P216 W222	H199 L200 P203 W209

Gene Ontology

Biological Process

• GO:0009765 photosynthesis, light harvesting

Cellular Component

• GO:0016020 membrane

External links

• PDB: RCSB:8iwy, PDBe:8iwy, PDBj:8iwy
• PDBsum: 8iwy
• PubMed: 37653340
• UniProt: P12333|CB2A_SPIOL Chlorophyll a-b binding protein, chloroplastic