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Reviewed, UniProtKB/Swiss-Prot P0A1Y2 (ASRC_SALTY)

Last modified June 16, 2009. Version 33. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (2) | Third-party data | Customize display text xml rdf/xml gff fasta
Names and origin · Protein attributes · General annotation (Comments) · Ontologies · Sequence annotation (Features) · Sequences · References · Cross-references · Entry information · Relevant documents

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Names and origin

Protein namesRecommended name:
    Anaerobic sulfite reductase subunit C
    EC=1.8.1.-
Gene names
Name: asrC
Ordered Locus Names: STM2550
OrganismSalmonella typhimurium [Complete proteome] [HAMAP]
Taxonomic identifier90371 [NCBI]
Taxonomic lineageBacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › Salmonella

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Protein attributes

Sequence length337 AA.
Sequence statusComplete.
Sequence processingThe displayed sequence is not processed.
Protein existenceEvidence at transcript level.

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General annotation (Comments)

Function

This enzyme catalyzes the hydrogen sulfide production from sulfite. It is strictly anaerobic. It is regulated by electron acceptors rather than by cysteine.

Catalytic activity

Hydrogen sulfide + 3 NAD+ + 3 H2O = sulfite + 3 NADH.

Cofactor

Binds 3 4Fe-4S clusters per subunit.

Binds 1 siroheme per subunit.

Pathway

Sulfur metabolism; sulfite reduction.

Subunit structure

The anaerobic sulfite reductase seems to consist of three subunits.

Subcellular location

Cytoplasm.

Induction

By sulfite.

Sequence similarities

Belongs to the nitrite and sulfite reductase 4Fe-4S domain family.

Contains 2 4Fe-4S ferredoxin-type domains.

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Ontologies

Keywords
   Biological processElectron transport
Transport
   Cellular componentCytoplasm
   DomainRepeat
   Ligand4Fe-4S
Heme
Iron
Iron-sulfur
Metal-binding
NAD
   Molecular functionOxidoreductase
   Technical termComplete proteome
Gene Ontology (GO)
   Biological processelectron transport chain

Inferred from electronic annotation. Source: UniProtKB-KW

transport

Inferred from electronic annotation. Source: UniProtKB-KW

   Cellular componentcytoplasm

Inferred from electronic annotation. Source: UniProtKB-SubCell

   Molecular function4 iron, 4 sulfur cluster binding

Inferred from electronic annotation. Source: UniProtKB-KW

electron carrier activity

Inferred from electronic annotation. Source: InterPro

heme binding

Inferred from electronic annotation. Source: InterPro

oxidoreductase activity

Inferred from electronic annotation. Source: UniProtKB-KW

Complete GO annotation...

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Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – 337337Anaerobic sulfite reductase subunit C
PRO_0000199965

Regions

Domain171 – 200304Fe-4S ferredoxin-type 1
Domain203 – 232304Fe-4S ferredoxin-type 2

Sites

Metal binding1151Iron-sulfur 1 (4Fe-4S) By similarity
Metal binding1211Iron-sulfur 1 (4Fe-4S) By similarity
Metal binding1531Iron-sulfur 1 (4Fe-4S) By similarity
Metal binding1571Iron (siroheme axial ligand) By similarity
Metal binding1571Iron-sulfur 1 (4Fe-4S) By similarity
Metal binding1801Iron-sulfur 2 (4Fe-4S) By similarity
Metal binding1831Iron-sulfur 2 (4Fe-4S) By similarity
Metal binding1861Iron-sulfur 2 (4Fe-4S) By similarity
Metal binding1901Iron-sulfur 3 (4Fe-4S) By similarity
Metal binding2121Iron-sulfur 3 (4Fe-4S) By similarity
Metal binding2151Iron-sulfur 3 (4Fe-4S) By similarity
Metal binding2181Iron-sulfur 3 (4Fe-4S) By similarity
Metal binding2221Iron-sulfur 2 (4Fe-4S) By similarity

Experimental info

Sequence conflict247 – 2504TPRV → SGAL in AAA99277. Ref.1

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Sequences

Sequence LengthMass (Da)Tools
P0A1Y2-1 [UniParc].

Last modified March 1, 2005. Version 1.
Checksum: 183FE2F669B34CBF

FASTA33737,291
        10         20         30         40         50         60 
MSIDIDIIKA RAKNEYRLSK VRGEAMISVR IPGGILPAHL LTVARDIAET WGNGQIHLTT 

        70         80         90        100        110        120 
RQKLAMPGIR YEDIDNVNAA LEPFLREIEI ELCDVQVEDT KAGYLAIGGR NIVACQGNRI 

       130        140        150        160        170        180 
CQKANTDTTG LSRRLEKLVY PSPYHLKTVI VGCPNDCAKA SMADLGIIGV AKMRFTADRC 

       190        200        210        220        230        240 
IGCGACVKAC SHHAVGCLAL KNGKAVKEES ACIGCGECVL ACPTLAWQRK PDQLWQVRLG 

       250        260        270        280        290        300 
GRTSKKTPRV GKLFLNWVTE DVIKQVIVNL YEFEKEMLGG KPIYLHMGHL IDKGGYLRFK 

       310        320        330 
ERVLRGVQLN PEAMVAERIY WAEDESVARM HLKPAGH

« Hide

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References

« Hide 'large scale' references
[1]"Sequence analysis and expression of the Salmonella typhimurium asr operon encoding production of hydrogen sulfide from sulfite."
Huang C.J., Barrett E.L.
J. Bacteriol. 173:1544-1553(1991) [PubMed: 1704886] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
Strain: EB303.
[2]"Complete genome sequence of Salmonella enterica serovar Typhimurium LT2."
McClelland M., Sanderson K.E., Spieth J., Clifton S.W., Latreille P., Courtney L., Porwollik S., Ali J., Dante M., Du F., Hou S., Layman D., Leonard S., Nguyen C., Scott K., Holmes A., Grewal N., Mulvaney E. expand/collapse author list , Ryan E., Sun H., Florea L., Miller W., Stoneking T., Nhan M., Waterston R., Wilson R.K.
Nature 413:852-856(2001) [PubMed: 11677609] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: LT2 / SGSC1412 / ATCC 700720.

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Cross-references

Sequence databases

M57706 Genomic DNA. Translation: AAA99277.1.
AE008816 Genomic DNA. Translation: AAL21444.1.
PIRC38453.
RefSeqNP_461485.1.

3D structure databases

HSSPHSSP built from PDB template 1K0T based on UniProtKB P31087.
ModBaseSearch...

Genome annotation databases

GeneID1254072.
GenomeReviewsGene locus STM2550 in contig AE006468_GR.
KEGGstm:STM2550.

Organism-specific databases

CMRSearch...

Phylogenomic databases

HOGENOMP0A1Y2.
OMAP0A1Y2. GRTGKQT.

Enzyme and pathway databases

BioCycMetaCyc:MON-12546.
STYP99287:STM2550-MON.

Family and domain databases

InterProIPR017896. 4Fe4S_Fe-S-bd.
IPR001450. 4Fe4S_Fe_S_bd_subgr.
IPR017900. 4Fe4S_Fe_S_CS.
IPR006066. Nir_Si_BS.
IPR006067. Nir_Sir_4Fe4S.
IPR005117. NiRdtase/SiRdtase_haem-b_fer.
IPR014261. Sulphite_reductase_C.
[Graphical view]
PfamPF00037. Fer4. 2 hits.
PF01077. NIR_SIR. 1 hit.
PF03460. NIR_SIR_ferr. 1 hit.
[Graphical view]
PRINTSPR00397. SIROHAEM.
TIGRFAMsTIGR02912. sulfite_red_C. 1 hit.
PROSITEPS00198. 4FE4S_FER_1. 1 hit.
PS51379. 4FE4S_FER_2. 2 hits.
PS00365. NIR_SIR. 1 hit.
[Graphical view]
ProtoNetSearch...

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Entry information

Entry nameASRC_SALTY
AccessionPrimary (citable) accession number: P0A1Y2
Secondary accession number(s): P26476
Entry history
Integrated into UniProtKB/Swiss-Prot: March 1, 2005
Last sequence update: March 1, 2005
Last modified: June 16, 2009
This is version 33 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation projectHAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)

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Relevant documents

PATHWAY comments

Index of metabolic and biosynthesis pathways

SIMILARITY comments

Index of protein domains and families

Names and origin · Protein attributes · General annotation (Comments) · Ontologies · Sequence annotation (Features) · Sequences · References · Cross-references · Entry information · Relevant documents