Structure of PDB 1cnf Chain A

Receptor sequence
>1cnfA (length=260) Species: 4577 (Zea mays) [Search protein sequence]
GRIHCRLVAKKELSRDVRLFRFSLPSPDQVLGLPIGKHIFVCATIEGKLC
MRAYTPTSMVDEIGHFDLLVKVYFKNEHPKFPNGGLMTQYLDSLPVGSYI
DVKGPLGHVEYTGRGSFVINGKQRNARRLAMICGGSGITPMYQIIQAVLR
DQPEDHTEMHLVYANRTEDDILLRDELDRWAAEYPDRLKVWYVIDQVKRP
EEGWKYSVGFVTEAVLREHVPEGGDDTLALACGPPPMIQFAISPNLEKMK
YDMANSFVVF
3D structure
PDB1cnf Structural studies on corn nitrate reductase: refined structure of the cytochrome b reductase fragment at 2.5 A, its ADP complex and an active-site mutant and modeling of the cytochrome b domain.
ChainA
Resolution2.7 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H48 Y64 T65 C242
Catalytic site (residue number reindexed from 1) H38 Y54 T55 C232
Enzyme Commision number 1.7.1.1: nitrate reductase (NADH).
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 FAD A R62 A63 Y64 L79 Y83 F91 G94 G95 L96 M97 T98 S146 T149 P150 R52 A53 Y54 L69 Y73 F81 G84 G85 L86 M87 T88 S136 T139 P140
BS02 ADP A K81 N175 P244 P246 M247 F250 A251 K71 N165 P234 P236 M237 F240 A241
Gene Ontology
Molecular Function
GO:0016491 oxidoreductase activity

View graph for
Molecular Function
External links
PDB RCSB:1cnf, PDBe:1cnf, PDBj:1cnf
PDBsum1cnf
PubMed7760334
UniProtP17571|NIA1_MAIZE Nitrate reductase [NADH] 1 (Fragment) (Gene Name=NNR1)

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