Structure of PDB 5xnm Chain 2

Receptor sequence

>5xnm2 (length=218) Species: 3888 (Pisum sativum)

SPWYGPDRVKYLGPFSGESPSYLTGEFPGDYGWDTAGLSADPETFSKNRE
LEVIHSRWAMLGALGCVFPELLSRNGVKFGEAVWFKAGSQIFSEGGLDYL
GNPSLVHAQSILAIWATQVILMGAVEGYRIAGGPLGEVVDPLYPGGSFDP
LGLADDPEAFAELKVKELKNGRLAMFSMFGFFVQAIVTGKGPLENLADHL
SDPVNNNAWSYATNFVPG

3D structure

• PDB: 5xnm Structure and assembly mechanism of plant C2S2M2-type PSII-LHCII supercomplex
• Chain: 2
• Resolution: 3.2 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	V22 K23 Y24 L25 G26 F28 Y44	V9 K10 Y11 L12 G13 F15 Y31
BS02	CLA	2	G42 D43 Y44 W46 D47 L51 S52 N61 R62 E65 R185 M188	G29 D30 Y31 W33 D34 L38 S39 N48 R49 E52 R172 M175
BS03	CLA	2	H68 F195	H55 F182
BS04	CLA	2	W71 L74 L77 G78 F81 P82 F92 Q103 L110 Y112 L113	W58 L61 L64 G65 F68 P69 F79 Q90 L97 Y99 L100
BS05	CHL	2	L118 V119 H120 A121 Q122	L105 V106 H107 A108 Q109
BS06	CHL	2	W71 G101 I127 T130 Q131 L134 M135	W58 G88 I114 T117 Q118 L121 M122
BS07	CHL	2	F98 G101 S102 Q131 F195	F85 G88 S89 Q118 F182
BS08	CHL	2	R70 W71 V138 Y141 R142 G146 P147 L148 G149 P157 F161	R57 W58 V125 Y128 R129 G133 P134 L135 G136 P144 F148
BS09	CHL	2	I67 H68 W71 Q131 M135 G136 E139 R142 I143	I54 H55 W58 Q118 M122 G123 E126 R129 I130
BS10	CLA	2	R70 M73 Y156 P157 G158 F161 L166 F173 L176 K177 K179 E180	R57 M60 Y143 P144 G145 F148 L153 F160 L163 K164 K166 E167
BS11	CLA	2	W16 K179 K182 N183	W3 K166 K169 N170
BS12	CLA	2	K179 N183 L186	K166 N170 L173
BS13	CLA	2	G193 V196 Q197 V200 T201 N208 L209 H212 N220 A221	G180 V183 Q184 V187 T188 N195 L196 H199 N207 A208
BS14	CLA	2	H212 L213 P216 W222	H199 L200 P203 W209
BS15	CHL	2	W46 T48	W33 T35

Gene Ontology

Biological Process

• GO:0009765 photosynthesis, light harvesting

Cellular Component

• GO:0016020 membrane

External links

• PDB: RCSB:5xnm, PDBe:5xnm, PDBj:5xnm
• PDBsum: 5xnm
• PubMed: 28839073
• UniProt: P27490|CB28_PEA Chlorophyll a-b binding protein 8, chloroplastic (Gene Name=CAB8)