Structure of PDB 7blx Chain 8

Receptor sequence

>7blx8 (length=217) Species: 3055 (Chlamydomonas reinhardtii)

RQSWLPGSQIPAHLDTPAAQALAGNFGFDPLGLGKDPVALRWYQQAELIH
CRTAMAGVAGILIPGLLTKAGALNVPEWYDAGKVAIENSFAPWGSLLAVQ
LFLCGFVEAKRWQDIRKPGSQGEPGSFLGFEASLKGTSELGYPGGPFDPL
GLSKEADKWADWKLKEVKNGRLAMLAFLGFVAQKYATGAGPVDNLAAHLK
DPWHVNYATNGVSLPFL

3D structure

• PDB: 7blx Dimeric and high-resolution structures of Chlamydomonas Photosystem I from a temperature-sensitive Photosystem II mutant
• Chain: 8
• Resolution: 3.15 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	8	F128 G131 F132 A135 K136	F102 G105 F106 A109 K110
BS02	CLA	8	W30 L31 P32 F52	W4 L5 P6 F26
BS03	CLA	8	R78 M81 Y168 P169 L178 W185 W188 K189 K191 E192	R52 M55 Y142 P143 L152 W159 W162 K163 K165 E166
BS04	CLA	8	I89 W188 K191 N195	I63 W162 K165 N169
BS05	CLA	8	L201 A202 G205 A208 Q209 T213 N220 L221 H224 N232 Y233	L175 A176 G179 A182 Q183 T187 N194 L195 H198 N206 Y207
BS06	CLA	8	G50 N51 F52 F54 D55 Y69 Q70 E73 R197 M200 L201	G24 N25 F26 F28 D29 Y43 Q44 E47 R171 M174 L175
BS07	CLA	8	G86 I89 V101	G60 I63 V75
BS08	CLA	8	D187 K191 K194 N195	D161 K165 K168 N169
BS09	CLA	8	P228 W229 N232 Y233	P202 W203 N206 Y207
BS10	CHL	8	Y105 D106 G108 K109 I112 Q126	Y79 D80 G82 K83 I86 Q100
BS11	CLA	8	I75 R78 V133 R137 D140 F153 L160 F173	I49 R52 V107 R111 D114 F127 L134 F147
BS12	CLA	8	W68 Q71 A72 I75 H76 L127 C130 G131 E134 R137 W138	W42 Q45 A46 I49 H50 L101 C104 G105 E108 R111 W112
BS13	CHL	8	L122 Q126	L96 Q100
BS14	CLA	8	A208 Y233 S239 L240 P241 F242	A182 Y207 S213 L214 P215 F216

Gene Ontology

Biological Process

• GO:0009765 photosynthesis, light harvesting

Cellular Component

• GO:0016020 membrane

External links

• PDB: RCSB:7blx, PDBe:7blx, PDBj:7blx
• PDBsum: 7blx
• UniProt: Q75VY7