Reviewed, UniProtKB/Swiss-Prot B1IUR7 (CYSH_ECOLC)

Names and origin

Protein names

Recommended name:
    Phosphoadenosine phosphosulfate reductase
    EC=1.8.4.8
Alternative name(s):
    PAPS reductase, thioredoxin dependent
    PAdoPS reductase
    3'-phosphoadenylylsulfate reductase
    PAPS sulfotransferase

Gene names

Name:	cysH
Ordered Locus Names:	EcolC_0950

Organism

Escherichia coli (strain ATCC 8739 / DSM 1576 / Crooks) [Complete proteome] [HAMAP]

Taxonomic identifier

481805 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › Escherichia

Protein attributes

Sequence length	244 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Inferred from homology.

General annotation (Comments)

Function	Reduction of activated sulfate into sulfite By similarity.
Catalytic activity	Adenosine 3',5'-bisphosphate + sulfite + thioredoxin disulfide = 3'-phosphoadenylyl sulfate + thioredoxin. HAMAP MF_00063
Pathway	Sulfur metabolism; hydrogen sulfide biosynthesis; sulfite from sulfate: step 3/3. HAMAP MF_00063
Subcellular location	Cytoplasm By similarity.
Sequence similarities	Belongs to the PAPS reductase family. CysH subfamily.

Ontologies

Keywords
Cellular component	Cytoplasm
Molecular function	Oxidoreductase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	cysteine biosynthetic process Inferred from electronic annotation. Source: InterPro oxidation reduction Inferred from electronic annotation. Source: UniProtKB-KW sulfate assimilation, phosphoadenylyl sulfate reduction by phosphoadenylyl-sulfate reductase (thioredoxin) Inferred from electronic annotation. Source: HAMAP
Cellular component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	phosphoadenylyl-sulfate reductase (thioredoxin) activity Inferred from electronic annotation. Source: HAMAP transferase activity Inferred from electronic annotation. Source: InterPro
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 244	244	Phosphoadenosine phosphosulfate reductase HAMAP MF_00063		PRO_1000075071

Sequences

	Sequence		Length	Mass (Da)
	B1IUR7-1 [UniParc]. Last modified April 29, 2008. Version 1. Checksum: 7EC494ED2437E469	FASTA	244	27,976
	10 20 30 40 50 60 MSKLDLNALN ELPKVDRILA LAETNAELEK LDAEGRVAWA LDNLPGEYVL SSSFGIQAAV 70 80 90 100 110 120 SLHLVNQIRP DIPVILTDTG YLFPETYRFI DELTDKLKLN LKVYRATESA AWQEARYGKL 130 140 150 160 170 180 WEQGVEGIEK YNDINKVEPM NRALKELNAQ TWFAGLRREQ SGSRANLPVL AIQRGVFKVL 190 200 210 220 230 240 PIIDWDNRTI YQYLQKHGLK YHPLWDEGYL SVGDTHTTRK WEPGMAEEET RFFGLKRECG LHEG

References

[1]

"Complete sequence of Escherichia coli C str. ATCC 8739." Copeland A., Lucas S., Lapidus A., Glavina del Rio T., Dalin E., Tice H., Bruce D., Goodwin L., Pitluck S., Kiss H., Brettin T., Detter J.C., Han C., Kuske C.R., Schmutz J., Larimer F., Land M., Hauser L. , Kyrpides N., Mikhailova N., Ingram L., Richardson P. Submitted (FEB-2008) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBLGenBankDDBJ	CP000946 Genomic DNA. Translation: ACA76619.1.
RefSeq	YP_001723946.1.
3D structure databases
ModBase	Search...
Genome annotation databases
GeneID	6068347.
GenomeReviews	Gene locus EcolC_0950 in contig CP000946_GR.
KEGG	ecl:EcolC_0950.
Organism-specific databases
CMR	Search...
Phylogenomic databases
OMA	B1IUR7. TRFNGLK.
Family and domain databases
HAMAP	MF_00063. [Tree]
InterPro	IPR004511. PAdo_PSO4_Rdtase_CysH. IPR002500. PAPS_reduct. IPR011800. PAPS_reductase. IPR014729. Rossmann-like_a/b/a_fold. [Graphical view]
Gene3D	G3DSA:3.40.50.620. Rossmann-like_a/b/a_fold. 1 hit.
Pfam	PF01507. PAPS_reduct. 1 hit. [Graphical view]
TIGRFAMs	TIGR00434. cysH. 1 hit. TIGR02057. PAPS_reductase. 1 hit.
ProtoNet	Search...

Entry information

Entry name

CYSH_ECOLC

Accession

Primary (citable) accession number: B1IUR7

Entry history

Integrated into UniProtKB/Swiss-Prot:	May 20, 2008
Last sequence update:	April 29, 2008
Last modified:	June 16, 2009
This is version 9 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)