Reviewed, UniProtKB/Swiss-Prot P56891 (CYSH_RHIME)

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:	R00944
ORF Names:	SMc00092

Organism

Rhizobium meliloti (Sinorhizobium meliloti) [Complete proteome] [HAMAP]

Taxonomic identifier

382 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Alphaproteobacteria › Rhizobiales › Rhizobiaceae › Sinorhizobium/Ensifer group › Sinorhizobium

Protein attributes

Sequence length	265 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.
Catalytic activity	Adenosine 3',5'-bisphosphate + sulfite + thioredoxin disulfide = 3'-phosphoadenylyl sulfate + thioredoxin.
Pathway	Sulfur metabolism; hydrogen sulfide biosynthesis; sulfite from sulfate: step 3/3.
Subcellular location	CytoplasmBy 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: HAMAP
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 – 265	265	Phosphoadenosine phosphosulfate reductase		PRO_0000100640

Sequences

	Sequence		Length	Mass (Da)
	P56891-1 [UniParc]. Last modified May 30, 2000. Version 1. Checksum: 284F43A6EDC6FE15	FASTA	265	28,767
	10 20 30 40 50 60 MTTQSLKAEA VALEADVMAL DAEAKALNDK LESLDLAGRL ALIAGLEGRA VFTTSLGIED 70 80 90 100 110 120 QVITAAIGSN RLDIEVATLK TGRLFNETVA LIDQTEETYD ILIKRYYPEK ADIDAYVAQY 130 140 150 160 170 180 GMNGFYESVE ARHACCGVRK LKPLARALDG ASYWITGLRR GQSGNRATTP FAEADVERGL 190 200 210 220 230 240 IKINPLADWG IETIQAHVAA EGIPVNPLHS RGYPSIGCEP CTRAIKPGEP ERAGRWWWEN 250 260 DEKRECGLHV PEAASSIIPN ASNAA

References

	« Hide 'large scale' referencesShow 'large scale' references »
[1]	"Reduction of adenosine-5'-phosphosulfate instead of 3'-phosphoadenosine-5'-phosphosulfate in cysteine biosynthesis by Rhizobium meliloti and other members of the family Rhizobiaceae." Abola A.P., Willits M.G., Wang R.C., Long S.R. J. Bacteriol. 181:5280-5287(1999) [PubMed: 10464198] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA]. Strain: 1021.
[2]	"Analysis of the chromosome sequence of the legume symbiont Sinorhizobium meliloti strain 1021." Capela D., Barloy-Hubler F., Gouzy J., Bothe G., Ampe F., Batut J., Boistard P., Becker A., Boutry M., Cadieu E., Dreano S., Gloux S., Godrie T., Goffeau A., Kahn D., Kiss E., Lelaure V., Masuy D. , Pohl T., Portetelle D., Puehler A., Purnelle B., Ramsperger U., Renard C., Thebault P., Vandenbol M., Weidner S., Galibert F. Proc. Natl. Acad. Sci. U.S.A. 98:9877-9882(2001) [PubMed: 11481430] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: 1021.

Cross-references

Sequence databases
EMBLGenBankDDBJ	AF158023 Genomic DNA. Translation: AAD55759.1. AL591688 Genomic DNA. Translation: CAC45516.1.
RefSeq	NP_385050.1.
3D structure databases
HSSP	HSSP built from PDB template 1SUR based on UniProtKB P17854.
ModBase	Search...
Genome annotation databases
GeneID	1232587.
GenomeReviews	Gene locus R00944 in contig AL591688_GR.
KEGG	sme:SMc00092.
NMPDR	fig|266834.1.peg.2238.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	P56891.
Enzyme and pathway databases
BioCyc	SMEL266834:SMC00092-MON.
Family and domain databases
HAMAP	MF_00063. [Tree]
InterPro	IPR011798. APS_reductase. IPR002500. PAPS_reduct. 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	TIGR02055. APS_reductase. 1 hit.
ProtoNet	Search...

Entry information

Entry name

CYSH_RHIME

Accession

Primary (citable) accession number: P56891

Entry history

Integrated into UniProtKB/Swiss-Prot:	May 30, 2000
Last sequence update:	May 30, 2000
Last modified:	November 25, 2008
This is version 56 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)