Reviewed, UniProtKB/Swiss-Prot P57207 (HIS2_BUCAI)

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:	BU106

Organism

Buchnera aphidicola subsp. Acyrthosiphon pisum (Acyrthosiphon pisum symbiotic bacterium) [Complete proteome] [HAMAP]

Taxonomic identifier

118099 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › Buchnera

Protein attributes

Sequence length	215 AA.
Sequence status	Complete.
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 HAMAP MF_01019.
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 – 215	215	Histidine biosynthesis bifunctional protein hisIE HAMAP MF_01019		PRO_0000136405
Regions
	Region	1 – 114	114	Phosphoribosyl-AMP cyclohydrolase HAMAP MF_01019
	Region	115 – 215	101	Phosphoribosyl-ATP pyrophosphohydrolase HAMAP MF_01019

Sequences

	Sequence		Length	Mass (Da)
	P57207-1 [UniParc]. Last modified December 1, 2000. Version 1. Checksum: 47D561BBFF00100A	FASTA	215	24,577
	10 20 30 40 50 60 MLKKHDLLNL DWTKTNGMIP VIIQDYSSSE VLMHGYMNQD ALTKTQEDGL VTFYSRTKNC 70 80 90 100 110 120 LWTKGEISGN YLKVIEISTD CDNDTLLILV AAQGKTCHLG NSSCFISNKY NINFLFKLEE 130 140 150 160 170 180 IIEERKNKFS DNSYTSSLYK SGTSRIAQKV GEEAIETILA AMNKDQIELI NEASDLIYHL 190 200 210 VVLLHDQDLN FNLVIDNLKK RREKNLNTNS EKLLK

References

[1]	"Genome sequence of the endocellular bacterial symbiont of aphids Buchnera sp. APS." Shigenobu S., Watanabe H., Hattori M., Sakaki Y., Ishikawa H. Nature 407:81-86(2000) [PubMed: 10993077] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: Tokyo 1998.

Cross-references

Sequence databases
EMBL GenBank DDBJ	BA000003 Genomic DNA. Translation: BAB12825.1.
RefSeq	NP_239939.1.
3D structure databases
SMR	P57207. Positions 9-107, 113-202.
ModBase	Search...
Genome annotation databases
GeneID	1109509.
GenomeReviews	Gene locus BU106 in contig BA000003_GR.
KEGG	buc:BU106.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	HBG294308.
OMA	VHYWSRS.
PhylomeDB	P57207.
Enzyme and pathway databases
BioCyc	BSP107806:BU106-MONOMER.
Family and domain databases
HAMAP	MF_01019. HisIE. [Tree]
InterPro	IPR002496. PRA_CycHdrlase. IPR008179. PRib-ATP_pyrophosphohydrolase. IPR021130. PRib-ATP_pyroPHydrolase-like. [Graphical view]
Pfam	PF01502. PRA-CH. 1 hit. PF01503. PRA-PH. 1 hit. [Graphical view]
ProDom	PD002610. PRA_CycHdrlase. 1 hit. [Graphical view] [Entries sharing at least one domain]
TIGRFAMs	TIGR03188. histidine_hisI. 1 hit.
ProtoNet	Search...

Entry information

Entry name

HIS2_BUCAI

Accession

Primary (citable) accession number: P57207

Entry history

Integrated into UniProtKB/Swiss-Prot:	December 1, 2000
Last sequence update:	December 1, 2000
Last modified:	February 9, 2010
This is version 57 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)