Structure of PDB 6rk0 Chain A

Receptor sequence

>6rk0A (length=214) Species: 322710 (Azotobacter vinelandii DJ) [Search protein sequence]

PEAPSDRTHVKRYHWLARYDQETVKAILDATPLAHVGCMMNGVPFVTPTF
FWREGDRVYWHGSSAGRLFKALEHQDICLTVSLLDGLVIARSAYNFNCNF
RSVMLLGRAELISDEAVKAEKLRNFVDGLIPGEWERLRPVHAKEIEATAV
ASLSIAEASCKVRTGPPLDDEEDYAFPSWAGVIPIRYQVLPPEPDPRNLP
DVPMPEDILKFRLG

3D structure

PDB

6rk0 A low-potential terminal oxidase associated with the iron-only nitrogenase from the nitrogen-fixing bacteriumAzotobacter vinelandii.

Chain

Resolution

0.99 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	HEM	A	F59 H70 S72 F134 T157	F50 H61 S63 F125 T148
BS02	FAD	A	F54 T56 P57 T58 F59 H70 R76	F45 T47 P48 T49 F50 H61 R67
BS03	FAD	A	R16 T17 H18 V19 K20 C107 F109 S111 M113 S168 K170	R7 T8 H9 V10 K11 C98 F100 S102 M104 S159 K161
BS04	HEM	A	R21 Y22 A102 Y103 F105 N106 K170	R12 Y13 A93 Y94 F96 N97 K161

Gene Ontology

	Molecular Function
GO:0000166	nucleotide binding
GO:0046872	metal ion binding

View graph for
Molecular Function

External links

PDB	RCSB:6rk0, PDBe:6rk0, PDBj:6rk0
PDBsum	6rk0
PubMed	31043481
UniProt	C1DK98

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