Structure of PDB 7kux Chain 2

Receptor sequence

>7kux2 (length=203) Species: 3218 (Physcomitrium patens)

RPLWFPGSQPPEWLDGSLPGDFGFDPLGLGSDPELLKWFVQAELVHCRWA
MLGAAGIFIPEALTKAGILNTPSWTVAGDQQYFTDATTLFVIEIILFAWA
EGRRWADIINPGCVNVDPVFPNNKLTGTDVGYPGGLWFDPLGWGQTGDAA
KLKDLRTREIKNGRLAMLAVLGAVVQANYTHTGPIDNLLAHLADPGHNTI
FAL

3D structure

• PDB: 7kux The structure of the Physcomitrium patens photosystem I reveals a unique Lhca2 paralogue replacing Lhca4.
• Chain: 2
• Resolution: 2.8 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	2	L78 G84 D85 F86 F88 D89 L93 G94 F103 V104 E107 R228 M231 L232	L14 G20 D21 F22 F24 D25 L29 G30 F39 V40 E43 R164 M167 L168
BS02	CLA	2	W102 F103 H110	W38 F39 H46
BS03	CLA	2	W113 L116 A119 G120 P124 T135 Y146	W49 L52 A55 G56 P60 T71 Y82
BS04	CHL	2	Y146 F147 L153 E157 F161	Y82 F83 L89 E93 F97
BS05	CHL	2	T139 G142 D143 A150 E157	T75 G78 D79 A86 E93
BS06	CHL	2	V109 R112 W113 F161 W163 R167 R168 V178 G195 F202	V45 R48 W49 F97 W99 R103 R104 V114 G131 F138
BS07	CLA	2	W102 Q105 A106 V109 H110 I158 F161 E165 R168 W169	W38 Q41 A42 V45 H46 I94 F97 E101 R104 W105
BS08	CLA	2	R112 M115 L116 Y196 P197 G198 W207 G208 Q209 L219 E223 N226	R48 M51 L52 Y132 P133 G134 W143 G144 Q145 L155 E159 N162
BS09	CHL	2	R222 K225 N226	R158 K161 N162
BS10	CLA	2	R222 N226	R158 N162
BS11	CLA	2	L232 G236 V239 Q240 Y243 T244 N251 H255 T263 I264	L168 G172 V175 Q176 Y179 T180 N187 H191 T199 I200
BS12	CLA	2	L252 P259	L188 P195
BS13	CHL	2	W163 R167 N179 D181 N187 L189 L200 W201	W99 R103 N115 D117 N123 L125 L136 W137
BS14	CHL	2	W68 F69 P70 F86 F88	W4 F5 P6 F22 F24
BS15	CLA	2	I159 A162 W163 G166 R167	I95 A98 W99 G102 R103

Gene Ontology

Biological Process

• GO:0009765 photosynthesis, light harvesting

Cellular Component

• GO:0016020 membrane

External links

• PDB: RCSB:7kux, PDBe:7kux, PDBj:7kux
• PDBsum: 7kux
• PubMed: 35190662
• UniProt: A0A2K1IW94