Structure of PDB 6kac Chain Y

Receptor sequence

>6kacY (length=221) Species: 3055 (Chlamydomonas reinhardtii) [Search protein sequence]

TPDSFWYGPERPLFLGAFTGEPPSYLTGEFPGDYGWDTAGLSADPETFKR
YRELELIHARWAMLGALGCIFPELLGSYGVPFGEAVWFKAGAQIFQEGGL
DYLGNPNLVHAQSILAILGTQVLLMGAIEGYRVNGGPLGEGLDKLYPGGS
FDPLGLADDPDTFAELKVKEIKNGRLAMFSMFGFFVQAIVTGKGPLQNLS
DHLANPGTNNAFAYATKFTPQ

3D structure

PDB

6kac Structural insight into light harvesting for photosystem II in green algae.

Chain

Resolution

2.7 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	Y	A250 T251 F253 T254	A215 T216 F218 T219
BS02	CHL	Y	F49 L50 G51 F53 W71	F14 L15 G16 F18 W36
BS03	CLA	Y	G67 D68 Y69 W71 D72 L76 S77 Y86 R87 E90 R210 M213 F214 F217	G32 D33 Y34 W36 D37 L41 S42 Y51 R52 E55 R175 M178 F179 F182
BS04	CLA	Y	L89 H93 F220	L54 H58 F185
BS05	CLA	Y	L99 G103 F106 F117 Q128 Y137 L138	L64 G68 F71 F82 Q93 Y102 L103
BS06	CHL	Y	N142 L143 V144 H145 A146 Q147 S148	N107 L108 V109 H110 A111 Q112 S113
BS07	CHL	Y	W96 V144 I152 T155 Q156 L159 M160	W61 V109 I117 T120 Q121 L124 M125
BS08	CHL	Y	F123 K124 G126 A127 F130 L153 Q156	F88 K89 G91 A92 F95 L118 Q121
BS09	CHL	Y	R95 W96 I163 Y166 R167 G171 P172 L173 G174 F186	R60 W61 I128 Y131 R132 G136 P137 L138 G139 F151
BS10	CHL	Y	L89 I92 H93 W96 Q156 G161 E164 R167	L54 I57 H58 W61 Q121 G126 E129 R132
BS11	CLA	Y	R95 M98 L99 Y181 P182 G183 F186 D187 L191 F198 L201 K204 E205 N208	R60 M63 L64 Y146 P147 G148 F151 D152 L156 F163 L166 K169 E170 N173
BS12	CLA	Y	W41 K204 K207 L211	W6 K169 K172 L176
BS13	CLA	Y	K204 N208 L211	K169 N173 L176
BS14	CLA	Y	F214 G218 V221 Q222 V225 T226 N233 H237 N244 N245 A246	F179 G183 V186 Q187 V190 T191 N198 H202 N209 N210 A211
BS15	CLA	Y	H237 L238 P241 F247	H202 L203 P206 F212

Gene Ontology

	Molecular Function
GO:0016168	chlorophyll binding

	Biological Process
GO:0009416	response to light stimulus
GO:0009765	photosynthesis, light harvesting
GO:0009768	photosynthesis, light harvesting in photosystem I
GO:0015979	photosynthesis

	Cellular Component
GO:0009507	chloroplast
GO:0009522	photosystem I
GO:0009523	photosystem II
GO:0009535	chloroplast thylakoid membrane
GO:0009579	thylakoid
GO:0016020	membrane

View graph for
Molecular Function

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Biological Process

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Cellular Component

External links

PDB	RCSB:6kac, PDBe:6kac, PDBj:6kac
PDBsum	6kac
PubMed	31768031
UniProt	Q93VE0

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