ID   HIS3_LEPIC              Reviewed;         187 AA.
AC   P62392;
DT   05-JUL-2004, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, sequence version 1.
DT   25-MAY-2022, entry version 94.
DE   RecName: Full=Phosphoribosyl-AMP cyclohydrolase;
DE            Short=PRA-CH;
DE            EC=3.5.4.19;
GN   Name=hisI; OrderedLocusNames=LIC_13016;
OS   Leptospira interrogans serogroup Icterohaemorrhagiae serovar copenhageni
OS   (strain Fiocruz L1-130).
OC   Bacteria; Spirochaetes; Leptospirales; Leptospiraceae; Leptospira.
OX   NCBI_TaxID=267671;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Fiocruz L1-130;
RX   PubMed=15028702; DOI=10.1128/jb.186.7.2164-2172.2004;
RA   Nascimento A.L.T.O., Ko A.I., Martins E.A.L., Monteiro-Vitorello C.B.,
RA   Ho P.L., Haake D.A., Verjovski-Almeida S., Hartskeerl R.A., Marques M.V.,
RA   Oliveira M.C., Menck C.F.M., Leite L.C.C., Carrer H., Coutinho L.L.,
RA   Degrave W.M., Dellagostin O.A., El-Dorry H., Ferro E.S., Ferro M.I.T.,
RA   Furlan L.R., Gamberini M., Giglioti E.A., Goes-Neto A., Goldman G.H.,
RA   Goldman M.H.S., Harakava R., Jeronimo S.M.B., Junqueira-de-Azevedo I.L.M.,
RA   Kimura E.T., Kuramae E.E., Lemos E.G.M., Lemos M.V.F., Marino C.L.,
RA   Nunes L.R., de Oliveira R.C., Pereira G.G., Reis M.S., Schriefer A.,
RA   Siqueira W.J., Sommer P., Tsai S.M., Simpson A.J.G., Ferro J.A.,
RA   Camargo L.E.A., Kitajima J.P., Setubal J.C., Van Sluys M.A.;
RT   "Comparative genomics of two Leptospira interrogans serovars reveals novel
RT   insights into physiology and pathogenesis.";
RL   J. Bacteriol. 186:2164-2172(2004).
CC   -!- FUNCTION: Catalyzes the hydrolysis of the adenine ring of
CC       phosphoribosyl-AMP. {ECO:0000250}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=1-(5-phospho-beta-D-ribosyl)-5'-AMP + H2O = 1-(5-phospho-beta-
CC         D-ribosyl)-5-[(5-phospho-beta-D-
CC         ribosylamino)methylideneamino]imidazole-4-carboxamide;
CC         Xref=Rhea:RHEA:20049, ChEBI:CHEBI:15377, ChEBI:CHEBI:58435,
CC         ChEBI:CHEBI:59457; EC=3.5.4.19;
CC   -!- PATHWAY: Amino-acid biosynthesis; L-histidine biosynthesis; L-histidine
CC       from 5-phospho-alpha-D-ribose 1-diphosphate: step 3/9.
CC   -!- SUBUNIT: Homodimer. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the PRA-CH family. {ECO:0000305}.
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DR   EMBL; AE016823; AAS71566.1; -; Genomic_DNA.
DR   RefSeq; WP_000098500.1; NC_005823.1.
DR   AlphaFoldDB; P62392; -.
DR   SMR; P62392; -.
DR   PaxDb; P62392; -.
DR   EnsemblBacteria; AAS71566; AAS71566; LIC_13016.
DR   GeneID; 61142894; -.
DR   KEGG; lic:LIC_13016; -.
DR   HOGENOM; CLU_1446017_0_0_12; -.
DR   UniPathway; UPA00031; UER00008.
DR   Proteomes; UP000007037; Chromosome I.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0004635; F:phosphoribosyl-AMP cyclohydrolase activity; IEA:UniProtKB-EC.
DR   GO; GO:0000105; P:histidine biosynthetic process; IEA:UniProtKB-UniPathway.
DR   Gene3D; 3.10.20.810; -; 1.
DR   InterPro; IPR002496; PRib_AMP_CycHydrolase_dom.
DR   InterPro; IPR038019; PRib_AMP_CycHydrolase_sf.
DR   Pfam; PF01502; PRA-CH; 1.
DR   SUPFAM; SSF141734; SSF141734; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; Cytoplasm; Histidine biosynthesis; Hydrolase.
FT   CHAIN           1..187
FT                   /note="Phosphoribosyl-AMP cyclohydrolase"
FT                   /id="PRO_0000136479"
SQ   SEQUENCE   187 AA;  21654 MW;  2A0B7C38D535C81B CRC64;
     MSSREITILK IQEPTRSIAS LTRIMEEELS QYRKTLPKGF REEVDCDEDT VLFLHVDFLP
     LDFQKTTELL LTGKKDLVPV VAIDLQGQIL MQAFGNEESQ TLSLKTGYAH YFSRSRNQLW
     KKGDTSGHTQ KILQILSPTD RSFLVYQVEQ EVAACHEGYY SCFFRERMEG VTWKLLPVPR
     NFLPEKS