hmp

hmp
168

flavohemoglobin, involved in resistance to nitric oxide (NO), essential for long-term survival under anaerobic conditions

Locus
BSU_13040
Molecular weight
44.57 kDa
Isoelectric point
5.7
Protein length
Gene length
Function
resistance to NO
Product
flavohemoglobin
Essential
no
Synonyms
hmp, ykiA

Genomic Context

Categories containing this gene/protein

List of homologs in different organisms, belongs to COG1018 (Galperin et al., 2021)

This gene is a member of the following regulons

Gene
Coordinates
1,372,792 → 1,373,991
The protein
Catalyzed reaction/ biological activity
NADPH + 2 nitric oxide + 2 O2 --> H+ + NADP+ + 2 nitrate (according to UniProt)
NADH + 2 nitric oxide + 2 O2 --> H+ + NAD+ + 2 nitrate (according to UniProt)
Protein family
globin family (single member, according to UniProt)
C-terminal part: flavoprotein pyridine nucleotide cytochrome reductase family (single member, according to UniProt)
FAD-binding FR-type domain (aa 152-255) (according to UniProt)
FAD (according to UniProt)
Structure
1CQX (PDB) (from Ralstonia eutropha, 47% identity) PubMed
Expression and Regulation
Operons
Genes
Description
Regulation
expressed under anaerobic conditions (ResD) PubMed
Regulatory mechanism
ResD: activation, PubMed, in resD regulon
NsrR: repression, PubMed, in nsrR regulon
Sigma factors
SigA: sigma factor, PubMed, in sigA regulon
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hmp

2025-03-16 07:44:47

ghost

78

a907063913b16a6f3a25ecf55925190ea8ecdd77

7D290A6AA010BCB5BB06741B0FB78394F7E04455

Genes
Description
Regulation
expressed under anaerobic conditions (ResD) PubMed
Open in new tab

hmpykjA

2025-03-06 04:21:03

ghost

84

d5b693bfec4ab27d915c1a7324e8d31fb7977ba3

F88DAE66287366900528C6AFF1C8C3DF02CFC000

Biological materials
Mutant
BKE13040 (Δhmp::erm  trpC2) available at BGSCPubMed, upstream reverse: _UP1_CATTTTATAAACAATCCTTT,  downstream forward: _UP4_TGAACACATACATGAAACTC
BKK13040 (Δhmp::kan  trpC2) available at BGSCPubMed, upstream reverse: _UP1_CATTTTATAAACAATCCTTT,  downstream forward: _UP4_TGAACACATACATGAAACTC
References
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E272A68088B689873CE3269CFDD2DD830F3AB3E4

Page visits: 3654

Time of last update: 2025-03-14 05:27:15

Author of last update: Melvin.boenninger