Structure of PDB 1oah Chain B

Receptor sequence

>1oahB (length=482) Species: 876 (Desulfovibrio desulfuricans) [Search protein sequence]

TGIAETETKMSAFKGQFPQQYASYMKNNEDRIMTDYKGSVPYHKNDNVNP
LPKGFKHAQPYLKNLWLGYPFMYEYNETRGHTYAIDDFLNIDRINRFAAD
GKGNLPATCWNCKTPKMMEWVSQYGDKFWSMDVNEFRAKDKINAHDETIG
CANCHDPATMELRLYSEPLKDWLKRSGKDWQKMSRNEKRTLVCAQCHVEY
YFTHKDNGPAAKPVFPWDNGFNPEDMYQYYKGHGAKGPDGKPGPFVDWVH
AASKVPMIKMQHPEYETFQDGPHGAAGVSCADCHMQYVREDGKKISSHWM
TSPMKDPEMRACRQCHADKTGEYLRQRVLYTQQKTFDQLLKAQEMSVKAH
EAVRLANAYEGHRAANYEALMAEAREMVRKGQLFWDYVSAENSVGFHNPA
KALDTLMTSMECSQKAVDLATEATDFGIAPALAGDIKKLVPPILTLSRKL
QQDPEFLKQNPWTRLLPALPKAEQVWEGQDRA

3D structure

PDB

1oah Cytochrome C Nitrite Reductase from Desulfovibrio Desulfuricans Atcc 27774. The Relevance of the Two Calcium Sites in the Structure of the Catalytic Subunit (Nrfa)

Chain

Resolution

2.3 Å

3D
structure

[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]

Enzymatic activity

Enzyme Commision number

1.7.2.2: nitrite reductase (cytochrome; ammonia-forming).

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	HEC	B	H353 K356	H316 K319
BS02	HEC	B	N113 T115 F125 I128 R130 C146 C149 K150 C233 H234 Y237 H299 N429	N76 T78 F88 I91 R93 C109 C112 K113 C196 H197 Y200 H262 N392
BS03	HEC	B	F54 Q57 Y61 G187 C188 C191 H192 R222 R226 M322 S333 H335 M337	F17 Q20 Y24 G150 C151 C154 H155 R185 R189 M285 S296 H298 M300
BS04	HEC	B	S76 T115 R116 H118 Y120 A121 D124 C149 K150 I186 Y202 C230 C233 H234 M337 T338	S39 T78 R79 H81 Y83 A84 D87 C112 K113 I149 Y165 C193 C196 H197 M300 T301
BS05	HEC	B	T71 K74 G75 H234 F305 H310 C317 C320 H321 S339 P340 M341 Q369 N429 F433 H434	T34 K37 G38 H197 F268 H273 C280 C283 H284 S302 P303 M304 Q332 N392 F396 H397
BS06	HEC	B	H310 D319 C349 Q351 C352 H353 F433	H273 D282 C312 Q314 C315 H316 F396
BS07	CA	B	E236 Y237 K296 Q298	E199 Y200 K259 Q261
BS08	CA	B	G75 E114 T115	G38 E77 T78

Gene Ontology

	Molecular Function
GO:0042279	nitrite reductase (cytochrome, ammonia-forming) activity

	Cellular Component
GO:0042597	periplasmic space

View graph for
Molecular Function

View graph for
Cellular Component

External links

PDB	RCSB:1oah, PDBe:1oah, PDBj:1oah
PDBsum	1oah
PubMed	12618432
UniProt	Q8VNU2

[Back to BioLiP]