Structure of PDB 5dqr Chain D

Receptor sequence

>5dqrD (length=411) Species: 3702 (Arabidopsis thaliana) [Search protein sequence]

EDWREKSRPIPPGGTYPAKDHCSQCGLCDTYYIAHVKEACAFLGDGMSRI
ESLEPVVHGRGRKADSLQDTYFGVHQEQLYARKLKPVEGAQWTGIVTTIA
IEMLKSNMVEAVVCVQSDPEDRLSPRPVLARTPEEVLAARGVKPTLSPNL
NTLELIEASGVKRLLFCGVGCQVQALRSVEQHLNLEKLYVLGTNCVDNGT
RDGLDKFLKAASKEPETVLHYEFMQDYKVQLKHLDGHIEEVPYFSLPAND
LVDVIAPSCYSCFDYTNALADLVIGYMGVPKYSGLNMTDHPQYITVRNER
GKEMLSLVENLLEITPTISSGDRRPFVTETVKADDAPAPLFVGNIIAFIL
NLVGPKGLEFARYSLDYHTIRNYLYVNRKWGKQRANTHMPSYAKKIVEMY
NKNGQIDKMLS

3D structure

PDB

5dqr Crystal Structure and Catalytic Mechanism of 7-Hydroxymethyl Chlorophyll a Reductase

Chain

Resolution

2.7 Å

3D
structure

Catalytic site residues are labeled in the structure
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Enzymatic activity

Catalytic site (original residue number in PDB)	D237 E262 Q332 H417
Catalytic site (residue number reindexed from 1)	D197 E222 Q292 H368
Enzyme Commision number	1.17.7.2: 7-hydroxymethyl chlorophyll a reductase.

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	SF4	D	Y56 A58 C62 S63 Q64 C65 L67 C68 C80	Y16 A18 C22 S23 Q24 C25 L27 C28 C40
BS02	SF4	D	V209 C211 C235 V236 N238 C299 C302	V169 C171 C195 V196 N198 C259 C262
BS03	FAD	D	Q131 W132 G134 I135 V136 T137 V155 A179 G181 V182 K183 S187 T233 N234 C235 E262 Y305 I314 G315 Y316 M317 Q332	Q91 W92 G94 I95 V96 T97 V115 A139 G141 V142 K143 S147 T193 N194 C195 E222 Y265 I274 G275 Y276 M277 Q292

Gene Ontology

	Molecular Function
GO:0003824	catalytic activity
GO:0016491	oxidoreductase activity
GO:0046872	metal ion binding
GO:0051536	iron-sulfur cluster binding
GO:0090415	7-hydroxymethyl chlorophyll a reductase activity

	Biological Process
GO:0015994	chlorophyll metabolic process
GO:0033354	chlorophyll cycle

	Cellular Component
GO:0005576	extracellular region
GO:0009507	chloroplast

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Molecular Function

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Biological Process

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Cellular Component

External links

PDB	RCSB:5dqr, PDBe:5dqr, PDBj:5dqr
PDBsum	5dqr
PubMed	27072131
UniProt	Q8GS60\|HCAR_ARATH 7-hydroxymethyl chlorophyll a reductase, chloroplastic (Gene Name=HCAR)

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