Reviewed, UniProtKB/Swiss-Prot Q7U635 (HIS2_SYNPX)

Names and origin

Protein names

Recommended name:
    Histidine biosynthesis bifunctional protein hisIE
Including the following 2 domains:
    1- Recommended name:
            Phosphoribosyl-AMP cyclohydrolase
                Short name=PRA-CH
              EC=3.5.4.19
    2- Recommended name:
            Phosphoribosyl-ATP pyrophosphatase
                Short name=PRA-PH
              EC=3.6.1.31

Gene names

Name:	hisI
Synonyms:	hisIE
Ordered Locus Names:	SYNW1505

Organism

Synechococcus sp. (strain WH8102) [Complete proteome] [HAMAP]

Taxonomic identifier

84588 [NCBI]

Taxonomic lineage

Bacteria › Cyanobacteria › Chroococcales › Synechococcus

Protein attributes

Sequence length	222 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Inferred from homology.

General annotation (Comments)

Catalytic activity	1-(5-phosphoribosyl)-ATP + H2O = 1-(5-phosphoribosyl)-AMP + diphosphate. HAMAP MF_01019 1-(5-phosphoribosyl)-AMP + H2O = 1-(5-phosphoribosyl)-5-((5-phosphoribosylamino)methylideneamino)imidazole-4-carboxamide. HAMAP MF_01019
Pathway	Amino-acid biosynthesis; L-histidine biosynthesis; L-histidine from 5-phospho-alpha-D-ribose 1-diphosphate: step 2/9. HAMAP MF_01019 Amino-acid biosynthesis; L-histidine biosynthesis; L-histidine from 5-phospho-alpha-D-ribose 1-diphosphate: step 3/9.
Subcellular location	Cytoplasm By similarity.
Sequence similarities	In the N-terminal section; belongs to the PRA-CH family. In the C-terminal section; belongs to the PRA-PH family.

Ontologies

Keywords
Biological process	Amino-acid biosynthesis Histidine biosynthesis
Cellular component	Cytoplasm
Ligand	ATP-binding Nucleotide-binding
Molecular function	Hydrolase
Technical term	Complete proteome Multifunctional enzyme
Gene Ontology (GO)
Biological process	histidine biosynthetic process Inferred from electronic annotation. Source: HAMAP
Cellular component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	ATP binding Inferred from electronic annotation. Source: UniProtKB-KW phosphoribosyl-AMP cyclohydrolase activity Inferred from electronic annotation. Source: HAMAP phosphoribosyl-ATP diphosphatase activity Inferred from electronic annotation. Source: HAMAP
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 222	222	Histidine biosynthesis bifunctional protein hisIE HAMAP MF_01019		PRO_0000136439
Regions
	Region	1 – 128	128	Phosphoribosyl-AMP cyclohydrolase HAMAP MF_01019
	Region	129 – 222	94	Phosphoribosyl-ATP pyrophosphohydrolase HAMAP MF_01019

Sequences

	Sequence		Length	Mass (Da)
	Q7U635-1 [UniParc]. Last modified October 1, 2003. Version 1. Checksum: 36F5CDFBCB2251F5	FASTA	222	24,704
	10 20 30 40 50 60 MQPLSPAFID QLRFNEAGLI PAIAQDWLDG AVLMVAWMNR ESIQQTLNSG EAHYWSRSRQ 70 80 90 100 110 120 ELWHKGATSG HTQTLRSIRY DCDADVLLLT IEQRGDIACH TGARSCFYEG GDQRSDGGSN 130 140 150 160 170 180 ALSPPADACT ELFRVIESRR DNPEEGSYTN KLLEGGDNKI LKKIGEESAE FVMACKDDNP 190 200 210 220 EEIAGEAADI LFHMQVALAH HGVSWRQVQE VLAARRGAPR RH

References

[1]

"The genome of a motile marine Synechococcus." Palenik B., Brahamsha B., Larimer F.W., Land M.L., Hauser L., Chain P., Lamerdin J.E., Regala W., Allen E.E., McCarren J., Paulsen I.T., Dufresne A., Partensky F., Webb E.A., Waterbury J. Nature 424:1037-1042(2003) [PubMed: 12917641] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBLGenBankDDBJ	BX569693 Genomic DNA. Translation: CAE08020.1.
RefSeq	NP_897598.1.
3D structure databases
ModBase	Search...
Genome annotation databases
GeneID	1730396.
GenomeReviews	Gene locus SYNW1505 in contig BX548020_GR.
KEGG	syw:SYNW1505.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	Q7U635.
OMA	Q7U635. VHYWSRS.
Enzyme and pathway databases
BioCyc	SSP84588:SYNW1505/OR0440-MON.
Family and domain databases
HAMAP	MF_01019. [Tree]
InterPro	IPR002496. PRA_CycHdrlase. IPR008179. PRib-ATP_pyrophosphohydrolase. [Graphical view]
Pfam	PF01502. PRA-CH. 1 hit. PF01503. PRA-PH. 1 hit. [Graphical view]
ProDom	PD002610. PRA_cyclohydro. 1 hit. PD002611. Pra_PH/CH. 1 hit. [Graphical view] [Entries sharing at least one domain]
TIGRFAMs	TIGR03188. histidine_hisI. 1 hit.
ProtoNet	Search...

Entry information

Entry name

HIS2_SYNPX

Accession

Primary (citable) accession number: Q7U635

Entry history

Integrated into UniProtKB/Swiss-Prot:	March 15, 2004
Last sequence update:	October 1, 2003
Last modified:	June 16, 2009
This is version 34 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)