Structure of PDB 7blx Chain Z

Receptor sequence

>7blxZ (length=194) Species: 3055 (Chlamydomonas reinhardtii)

KAGNWLPGSDAPAWLPDDLPGNYGFDPLSLGKEPASLKRFTESEVIHGRW
AMLGVAGSLAVELLGYGNWYDAPLWAVNGGKATWFGIEVPFDLNALLAFE
FVAMAAAEGQRGDAGGVVYPGGAFDPLGFAKDSSKSGELKLKEIKNGRLA
MVAFLGFVAQHAATGKGPIAALGEHLANPWGANFATNGISVPFF

3D structure

• PDB: 7blx Dimeric and high-resolution structures of Chlamydomonas Photosystem I from a temperature-sensitive Photosystem II mutant
• Chain: Z
• 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	CLA	Z	R79 M82 L83 Y149 G151 F154 F159 L169 K170 E173	R49 M52 L53 Y119 G121 F124 F129 L139 K140 E143
BS02	CLA	Z	V182 G186 A189 Q190 A201 H205 N213 F214	V152 G156 A159 Q160 A171 H175 N183 F184
BS03	CLA	Z	G51 Y53 F55 D56 L60 L67 F70 T71 E74 R178 M181 V182	G21 Y23 F25 D26 L30 L37 F40 T41 E44 R148 M151 V152
BS04	CLA	Z	R69 F70 H77	R39 F40 H47
BS05	CLA	Z	G87 V91 Y96 T113 W114 F115	G57 V61 Y66 T83 W84 F85
BS06	CLA	Z	K172 K175	K142 K145
BS07	CLA	Z	H205 L206 W210 F214	H175 L176 W180 F184
BS08	CHL	Z	Y100 P103 L123 E130	Y70 P73 L93 E100
BS09	CLA	Z	I76 R79 W80 A137 Q140 R141 P150 F154	I46 R49 W50 A107 Q110 R111 P120 F124
BS10	CLA	Z	R69 E72 S73 I76 H77 W80 F131 M134 A135 E138 R141	R39 E42 S43 I46 H47 W50 F101 M104 A105 E108 R111
BS11	CHL	Z	P103 W105 F121 L126 F129 E130	P73 W75 F91 L96 F99 E100
BS12	CLA	Z	A189 F214 I219 S220	A159 F184 I189 S190
BS13	CHL	Z	W35 L36 P37 Y53 F55	W5 L6 P7 Y23 F25

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: Q05093