Structure of PDB 1np4 Chain A

Receptor sequence
>1np4A (length=184) Species: 13249 (Rhodnius prolixus) [Search protein sequence]
ACTKNAIAQTGFNKDKYFNGDVWYVTDYLDLEPDDVPKRYCAALAAGTAS
GKLKEALYHYDPKTQDTFYDVSELQVESLGKYTANFKKVDKNGNVKVAVT
AGNYYTFTVMYADDSSALIHTCLHKGNKDLGDLYAVLNRNKDAAAGDKVK
SAVSAATLEFSKFISTKENNCAYDNDSLKSLLTK
3D structure
PDB1np4 The crystal structure of nitrophorin 4 at 1.5 A resolution: transport of nitric oxide by a lipocalin-based heme protein.
ChainA
Resolution1.5 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 1.7.6.1: nitrite dismutase.
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 HEM A Y40 L57 H59 F68 D70 F86 K88 Y105 L123 K125 L133 Y40 L57 H59 F68 D70 F86 K88 Y105 L123 K125 L133
Gene Ontology
Molecular Function
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding
GO:0051381 histamine binding
GO:0070026 nitric oxide binding
Biological Process
GO:0042311 vasodilation
Cellular Component
GO:0005576 extracellular region

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Molecular Function
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Cellular Component
External links
PDB RCSB:1np4, PDBe:1np4, PDBj:1np4
PDBsum1np4
PubMed9782054
UniProtQ94734|NP4_RHOPR Nitrophorin-4

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