Structure of PDB 6qph Chain 3

Receptor sequence

>6qph3 (length=210) Species: 3046 (Dunaliella salina) [Search protein sequence]

YLDGTLPGDYGFDPLGLLDPTVSNGQGAGGFVNPRWLQYSEVIHARWAML
GAAGCIAPEILGKAGVIPAETAVDWFRTGVIPPAGVYKDFWADPFTLFFI
EVVAIQFAELKRLQDYKNPGSQSRQYFLGLEGLFKGSDNPAYPGGPFFNF
ANFGKTEAEMKKLKLNEIKNGRLAMLAMFGYGAQAVITGDGPFDNLLAHL
ADPTGANLIT

3D structure

PDB

6qph Structure of a minimal photosystem I from the green alga Dunaliella salina.

Chain

Resolution

3.4 Å

3D
structure

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Enzymatic activity

Enzyme Commision number

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)
BS01	CHL	3	Q178 L182 K183 F199	Q106 L110 K111 F127
BS02	CLA	3	R118 M121 Y214 G216 F220 N221 F222 A223 N224 F225 M232 L235 E239	R46 M49 Y142 G144 F148 N149 F150 A151 N152 F153 M160 L163 E167
BS03	CLA	3	Q256 I259 N267 N279 L280 I281 T282	Q184 I187 N195 N207 L208 I209 T210
BS04	CHL	3	G80 D81 F84 D85 L89 L90 L109 E113 H116 R244 M247 L248	G8 D9 F12 D13 L17 L18 L37 E41 H44 R172 M175 L176
BS05	CLA	3	L122 G126 T143	L50 G54 T71
BS06	CLA	3	H271 L272	H199 L200
BS07	CLA	3	V152 P154 F167 F170 E173	V80 P82 F95 F98 E101
BS08	CLA	3	A180 K183 R184 D187 Q194 F199 F206 P215 F220	A108 K111 R112 D115 Q122 F127 F134 P143 F148
BS09	CLA	3	H116 I177 Q178 R184	H44 I105 Q106 R112
BS10	CLA	3	T150 G151 V152 F162 W163 L169 E173	T78 G79 V80 F90 W91 L97 E101

Gene Ontology

	Biological Process
GO:0009765	photosynthesis, light harvesting

	Cellular Component
GO:0016020	membrane

View graph for
Biological Process

View graph for
Cellular Component

External links

PDB	RCSB:6qph, PDBe:6qph, PDBj:6qph
PDBsum	6qph
PubMed	32123351
UniProt	C1K004

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