Structure of PDB 5dqr Chain F

Receptor sequence

>5dqrF (length=413) Species: 3702 (Arabidopsis thaliana)

RPIPPGGTYPAKDHCSQCGLCDTYYIAHVKEACAFLGDGMSRIESLEPVV
HGRGRKADSLQDTYFGVHQEQLYARKLKPVEGAQWTGIVTTIAIEMLKSN
MVEAVVCVQSDPEDRLSPRPVLARTPEEVLAARGVKPTLSPNLNTLELIE
ASGVKRLLFCGVGCQVQALRSVEQHLNLEKLYVLGTNCVDNGTRDGLDKF
LKAASKEPETVLHYEFMQDYKVQLKHLDGHIEEVPYFSLPANDLVDVIAP
SCYSCFDYTNALADLVIGYMGVPKYSGLNMTDHPQYITVRNERGKEMLSL
VENLLEITPTISSGDRRPFVTETVKADDAAKFGQGPAQPAPLFVGNIIAF
ILNLVGPKGLEFARYSLDYHTIRNYLYVNRKWGKQRANTHMPSYAKKIVE
MYNKNGQIDKMLS

3D structure

• PDB: 5dqr Crystal Structure and Catalytic Mechanism of 7-Hydroxymethyl Chlorophyll a Reductase
• Chain: F
• Resolution: 2.7 Å

Enzymatic activity

• 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)	Binding affinity
BS01	SF4	F	A58 C62 S63 Q64 C65 L67 C68 V76 C80	A11 C15 S16 Q17 C18 L20 C21 V29 C33
BS02	SF4	F	V209 C211 C235 N238 C299 C302	V162 C164 C188 N191 C252 C255
BS03	FAD	F	A130 Q131 W132 G134 I135 V136 T137 V155 G181 V182 K183 S187 T233 N234 C235 I314 G315 Y316 Q332	A83 Q84 W85 G87 I88 V89 T90 V108 G134 V135 K136 S140 T186 N187 C188 I267 G268 Y269 Q285

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

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)