ID   HIS3_ACICJ              Reviewed;         116 AA.
AC   A5G0S8;
DT   26-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   12-JUN-2007, sequence version 1.
DT   16-JUN-2009, entry version 14.
DE   RecName: Full=Phosphoribosyl-AMP cyclohydrolase;
DE            Short=PRA-CH;
DE            EC=3.5.4.19;
GN   Name=hisI; OrderedLocusNames=Acry_2265;
OS   Acidiphilium cryptum (strain JF-5).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rhodospirillales;
OC   Acetobacteraceae; Acidiphilium.
OX   NCBI_TaxID=349163;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H.,
RA   Pitluck S., Sims D., Brettin T., Bruce D., Han C., Schmutz J.,
RA   Larimer F., Land M., Hauser L., Kyrpides N., Kim E., Magnuson T.,
RA   Richardson P.;
RT   "Complete sequence of chromosome of Acidiphilium cryptum JF-5.";
RL   Submitted (MAY-2007) to the EMBL/GenBank/DDBJ databases.
CC   -!- CATALYTIC ACTIVITY: 1-(5-phosphoribosyl)-AMP + H(2)O = 1-(5-
CC       phosphoribosyl)-5-((5-
CC       phosphoribosylamino)methylideneamino)imidazole-4-carboxamide.
CC   -!- PATHWAY: Amino-acid biosynthesis; L-histidine biosynthesis; L-
CC       histidine from 5-phospho-alpha-D-ribose 1-diphosphate: step 3/9.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm (By similarity).
CC   -!- SIMILARITY: Belongs to the PRA-CH family.
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DR   EMBL; CP000697; ABQ31460.1; -; Genomic_DNA.
DR   RefSeq; YP_001235379.1; -.
DR   GeneID; 5161579; -.
DR   GenomeReviews; CP000697_GR; Acry_2265.
DR   KEGG; acr:Acry_2265; -.
DR   OMA; A5G0S8; LWLKGES.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0004635; F:phosphoribosyl-AMP cyclohydrolase activity; IEA:HAMAP.
DR   GO; GO:0000105; P:histidine biosynthetic process; IEA:HAMAP.
DR   HAMAP; MF_01021; -; 1.
DR   InterPro; IPR002496; PRA_CycHdrlase.
DR   Pfam; PF01502; PRA-CH; 1.
DR   ProDom; PD002610; PRA_cyclohydro; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Complete proteome; Cytoplasm;
KW   Histidine biosynthesis; Hydrolase.
FT   CHAIN         1    116       Phosphoribosyl-AMP cyclohydrolase.
FT                                /FTId=PRO_0000319677.
SQ   SEQUENCE   116 AA;  12818 MW;  8CB37999AB0F912B CRC64;
     MTHPVITAAR FNEAGLIPAI AQQHDTGEVL MMAWMNAESI AESLSTGQVC YFSRSRGKLW
     RKGESSGHVQ RLVEMRLDCD GDTLLLLVEQ TGPACHTGAH NCFFRRVTKD GLEEIA
//