ARO1_PNECA
ID ARO1_PNECA Reviewed; 1581 AA.
AC Q12659;
DT 01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT 01-NOV-1997, sequence version 1.
DT 03-AUG-2022, entry version 130.
DE RecName: Full=Pentafunctional AROM polypeptide {ECO:0000255|HAMAP-Rule:MF_03143};
DE Includes:
DE RecName: Full=3-dehydroquinate synthase {ECO:0000255|HAMAP-Rule:MF_03143};
DE Short=DHQS {ECO:0000255|HAMAP-Rule:MF_03143};
DE EC=4.2.3.4 {ECO:0000255|HAMAP-Rule:MF_03143};
DE Includes:
DE RecName: Full=3-phosphoshikimate 1-carboxyvinyltransferase {ECO:0000255|HAMAP-Rule:MF_03143};
DE EC=2.5.1.19 {ECO:0000255|HAMAP-Rule:MF_03143};
DE AltName: Full=5-enolpyruvylshikimate-3-phosphate synthase {ECO:0000255|HAMAP-Rule:MF_03143};
DE Short=EPSP synthase {ECO:0000255|HAMAP-Rule:MF_03143};
DE Short=EPSPS {ECO:0000255|HAMAP-Rule:MF_03143};
DE Includes:
DE RecName: Full=Shikimate kinase {ECO:0000255|HAMAP-Rule:MF_03143};
DE Short=SK {ECO:0000255|HAMAP-Rule:MF_03143};
DE EC=2.7.1.71 {ECO:0000255|HAMAP-Rule:MF_03143};
DE Includes:
DE RecName: Full=3-dehydroquinate dehydratase {ECO:0000255|HAMAP-Rule:MF_03143};
DE Short=3-dehydroquinase {ECO:0000255|HAMAP-Rule:MF_03143};
DE EC=4.2.1.10 {ECO:0000255|HAMAP-Rule:MF_03143};
DE Includes:
DE RecName: Full=Shikimate dehydrogenase {ECO:0000255|HAMAP-Rule:MF_03143};
DE EC=1.1.1.25 {ECO:0000255|HAMAP-Rule:MF_03143};
GN Name=arom;
OS Pneumocystis carinii.
OC Eukaryota; Fungi; Dikarya; Ascomycota; Taphrinomycotina;
OC Pneumocystidomycetes; Pneumocystidaceae; Pneumocystis.
OX NCBI_TaxID=4754;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX PubMed=8126418; DOI=10.1099/00221287-139-12-2901;
RA Banerji S., Wakefield A.E., Allen A.G., Maskell D.J., Peters S.E.,
RA Hopkin J.M.;
RT "The cloning and characterization of the arom gene of Pneumocystis
RT carinii.";
RL J. Gen. Microbiol. 139:2901-2914(1993).
CC -!- FUNCTION: The AROM polypeptide catalyzes 5 consecutive enzymatic
CC reactions in prechorismate polyaromatic amino acid biosynthesis.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=7-phospho-2-dehydro-3-deoxy-D-arabino-heptonate = 3-
CC dehydroquinate + phosphate; Xref=Rhea:RHEA:21968, ChEBI:CHEBI:32364,
CC ChEBI:CHEBI:43474, ChEBI:CHEBI:58394; EC=4.2.3.4;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_03143};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=3-dehydroquinate = 3-dehydroshikimate + H2O;
CC Xref=Rhea:RHEA:21096, ChEBI:CHEBI:15377, ChEBI:CHEBI:16630,
CC ChEBI:CHEBI:32364; EC=4.2.1.10; Evidence={ECO:0000255|HAMAP-
CC Rule:MF_03143};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=NADP(+) + shikimate = 3-dehydroshikimate + H(+) + NADPH;
CC Xref=Rhea:RHEA:17737, ChEBI:CHEBI:15378, ChEBI:CHEBI:16630,
CC ChEBI:CHEBI:36208, ChEBI:CHEBI:57783, ChEBI:CHEBI:58349; EC=1.1.1.25;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_03143};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + shikimate = 3-phosphoshikimate + ADP + H(+);
CC Xref=Rhea:RHEA:13121, ChEBI:CHEBI:15378, ChEBI:CHEBI:30616,
CC ChEBI:CHEBI:36208, ChEBI:CHEBI:145989, ChEBI:CHEBI:456216;
CC EC=2.7.1.71; Evidence={ECO:0000255|HAMAP-Rule:MF_03143};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=3-phosphoshikimate + phosphoenolpyruvate = 5-O-(1-
CC carboxyvinyl)-3-phosphoshikimate + phosphate; Xref=Rhea:RHEA:21256,
CC ChEBI:CHEBI:43474, ChEBI:CHEBI:57701, ChEBI:CHEBI:58702,
CC ChEBI:CHEBI:145989; EC=2.5.1.19; Evidence={ECO:0000255|HAMAP-
CC Rule:MF_03143};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_03143};
CC Note=Binds 2 Zn(2+) ions per subunit. {ECO:0000255|HAMAP-
CC Rule:MF_03143};
CC -!- PATHWAY: Metabolic intermediate biosynthesis; chorismate biosynthesis;
CC chorismate from D-erythrose 4-phosphate and phosphoenolpyruvate: step
CC 2/7. {ECO:0000255|HAMAP-Rule:MF_03143}.
CC -!- PATHWAY: Metabolic intermediate biosynthesis; chorismate biosynthesis;
CC chorismate from D-erythrose 4-phosphate and phosphoenolpyruvate: step
CC 3/7. {ECO:0000255|HAMAP-Rule:MF_03143}.
CC -!- PATHWAY: Metabolic intermediate biosynthesis; chorismate biosynthesis;
CC chorismate from D-erythrose 4-phosphate and phosphoenolpyruvate: step
CC 4/7. {ECO:0000255|HAMAP-Rule:MF_03143}.
CC -!- PATHWAY: Metabolic intermediate biosynthesis; chorismate biosynthesis;
CC chorismate from D-erythrose 4-phosphate and phosphoenolpyruvate: step
CC 5/7. {ECO:0000255|HAMAP-Rule:MF_03143}.
CC -!- PATHWAY: Metabolic intermediate biosynthesis; chorismate biosynthesis;
CC chorismate from D-erythrose 4-phosphate and phosphoenolpyruvate: step
CC 6/7. {ECO:0000255|HAMAP-Rule:MF_03143}.
CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_03143}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm.
CC -!- SIMILARITY: In the N-terminal section; belongs to the sugar phosphate
CC cyclases superfamily. Dehydroquinate synthase family.
CC {ECO:0000255|HAMAP-Rule:MF_03143}.
CC -!- SIMILARITY: In the 2nd section; belongs to the EPSP synthase family.
CC {ECO:0000255|HAMAP-Rule:MF_03143}.
CC -!- SIMILARITY: In the 3rd section; belongs to the shikimate kinase family.
CC {ECO:0000255|HAMAP-Rule:MF_03143}.
CC -!- SIMILARITY: In the 4th section; belongs to the type-I 3-dehydroquinase
CC family. {ECO:0000255|HAMAP-Rule:MF_03143}.
CC -!- SIMILARITY: In the C-terminal section; belongs to the shikimate
CC dehydrogenase family. {ECO:0000255|HAMAP-Rule:MF_03143}.
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DR EMBL; L18918; AAA17839.1; -; Unassigned_DNA.
DR PIR; T30832; T30832.
DR AlphaFoldDB; Q12659; -.
DR SMR; Q12659; -.
DR UniPathway; UPA00053; UER00085.
DR UniPathway; UPA00053; UER00086.
DR UniPathway; UPA00053; UER00087.
DR UniPathway; UPA00053; UER00088.
DR UniPathway; UPA00053; UER00089.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0003855; F:3-dehydroquinate dehydratase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0003856; F:3-dehydroquinate synthase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0003866; F:3-phosphoshikimate 1-carboxyvinyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0004764; F:shikimate 3-dehydrogenase (NADP+) activity; IEA:UniProtKB-UniRule.
DR GO; GO:0004765; F:shikimate kinase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0009073; P:aromatic amino acid family biosynthetic process; IEA:UniProtKB-UniRule.
DR GO; GO:0008652; P:cellular amino acid biosynthetic process; IEA:UniProtKB-KW.
DR GO; GO:0009423; P:chorismate biosynthetic process; IEA:UniProtKB-UniPathway.
DR GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR CDD; cd00502; DHQase_I; 1.
DR CDD; cd01556; EPSP_synthase; 1.
DR CDD; cd00464; SK; 1.
DR Gene3D; 3.20.20.70; -; 1.
DR Gene3D; 3.40.50.300; -; 1.
DR Gene3D; 3.65.10.10; -; 2.
DR HAMAP; MF_00210; EPSP_synth; 1.
DR HAMAP; MF_03143; Pentafunct_AroM; 1.
DR HAMAP; MF_00109; Shikimate_kinase; 1.
DR InterPro; IPR018508; 3-dehydroquinate_DH_AS.
DR InterPro; IPR013785; Aldolase_TIM.
DR InterPro; IPR046346; Aminiacid_DH-like_N_sf.
DR InterPro; IPR016037; DHQ_synth_AroB.
DR InterPro; IPR030960; DHQS/DOIS.
DR InterPro; IPR001381; DHquinase_I.
DR InterPro; IPR001986; Enolpyruvate_Tfrase_dom.
DR InterPro; IPR036968; Enolpyruvate_Tfrase_sf.
DR InterPro; IPR006264; EPSP_synthase.
DR InterPro; IPR023193; EPSP_synthase_CS.
DR InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR InterPro; IPR027417; P-loop_NTPase.
DR InterPro; IPR008289; Pentafunct_AroM.
DR InterPro; IPR013792; RNA3'P_cycl/enolpyr_Trfase_a/b.
DR InterPro; IPR031322; Shikimate/glucono_kinase.
DR InterPro; IPR013708; Shikimate_DH-bd_N.
DR InterPro; IPR010110; Shikimate_DH_AroM-type.
DR InterPro; IPR000623; Shikimate_kinase/TSH1.
DR InterPro; IPR023000; Shikimate_kinase_CS.
DR Pfam; PF01761; DHQ_synthase; 1.
DR Pfam; PF01487; DHquinase_I; 1.
DR Pfam; PF00275; EPSP_synthase; 1.
DR Pfam; PF08501; Shikimate_dh_N; 1.
DR Pfam; PF01202; SKI; 1.
DR PIRSF; PIRSF000514; Pentafunct_AroM; 1.
DR SUPFAM; SSF51735; SSF51735; 1.
DR SUPFAM; SSF52540; SSF52540; 1.
DR SUPFAM; SSF53223; SSF53223; 1.
DR SUPFAM; SSF55205; SSF55205; 1.
DR TIGRFAMs; TIGR01356; aroA; 1.
DR TIGRFAMs; TIGR01357; aroB; 1.
DR TIGRFAMs; TIGR01093; aroD; 1.
DR TIGRFAMs; TIGR01809; Shik-DH-AROM; 1.
DR PROSITE; PS01028; DEHYDROQUINASE_I; 1.
DR PROSITE; PS00104; EPSP_SYNTHASE_1; 1.
DR PROSITE; PS00885; EPSP_SYNTHASE_2; 1.
DR PROSITE; PS01128; SHIKIMATE_KINASE; 1.
PE 3: Inferred from homology;
KW Amino-acid biosynthesis; Aromatic amino acid biosynthesis; ATP-binding;
KW Cytoplasm; Kinase; Lyase; Metal-binding; Multifunctional enzyme; NADP;
KW Nucleotide-binding; Oxidoreductase; Transferase; Zinc.
FT CHAIN 1..1581
FT /note="Pentafunctional AROM polypeptide"
FT /id="PRO_0000140860"
FT REGION 1..383
FT /note="3-dehydroquinate synthase"
FT REGION 396..845
FT /note="EPSP synthase"
FT REGION 868..1065
FT /note="Shikimate kinase"
FT REGION 1066..1285
FT /note="3-dehydroquinase"
FT REGION 1298..1581
FT /note="Shikimate dehydrogenase"
FT ACT_SITE 259
FT /note="Proton acceptor; for 3-dehydroquinate synthase
FT activity"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03143"
FT ACT_SITE 274
FT /note="Proton acceptor; for 3-dehydroquinate synthase
FT activity"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03143"
FT ACT_SITE 827
FT /note="For EPSP synthase activity"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03143"
FT ACT_SITE 1189
FT /note="Proton acceptor; for 3-dehydroquinate dehydratase
FT activity"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03143"
FT ACT_SITE 1217
FT /note="Schiff-base intermediate with substrate; for 3-
FT dehydroquinate dehydratase activity"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03143"
FT BINDING 43..45
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03143"
FT BINDING 80..83
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03143"
FT BINDING 111..113
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03143"
FT BINDING 116
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03143"
FT BINDING 127
FT /ligand="7-phospho-2-dehydro-3-deoxy-D-arabino-heptonate"
FT /ligand_id="ChEBI:CHEBI:58394"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03143"
FT BINDING 136..137
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03143"
FT BINDING 143
FT /ligand="7-phospho-2-dehydro-3-deoxy-D-arabino-heptonate"
FT /ligand_id="ChEBI:CHEBI:58394"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03143"
FT BINDING 149
FT /ligand="7-phospho-2-dehydro-3-deoxy-D-arabino-heptonate"
FT /ligand_id="ChEBI:CHEBI:58394"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03143"
FT BINDING 158
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03143"
FT BINDING 159
FT /ligand="7-phospho-2-dehydro-3-deoxy-D-arabino-heptonate"
FT /ligand_id="ChEBI:CHEBI:58394"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03143"
FT BINDING 176..179
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03143"
FT BINDING 187
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03143"
FT BINDING 191..194
FT /ligand="7-phospho-2-dehydro-3-deoxy-D-arabino-heptonate"
FT /ligand_id="ChEBI:CHEBI:58394"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03143"
FT BINDING 191
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03143"
FT BINDING 249
FT /ligand="7-phospho-2-dehydro-3-deoxy-D-arabino-heptonate"
FT /ligand_id="ChEBI:CHEBI:58394"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03143"
FT BINDING 263..267
FT /ligand="7-phospho-2-dehydro-3-deoxy-D-arabino-heptonate"
FT /ligand_id="ChEBI:CHEBI:58394"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03143"
FT BINDING 270
FT /ligand="7-phospho-2-dehydro-3-deoxy-D-arabino-heptonate"
FT /ligand_id="ChEBI:CHEBI:58394"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03143"
FT BINDING 270
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03143"
FT BINDING 286
FT /ligand="7-phospho-2-dehydro-3-deoxy-D-arabino-heptonate"
FT /ligand_id="ChEBI:CHEBI:58394"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03143"
FT BINDING 286
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03143"
FT BINDING 355
FT /ligand="7-phospho-2-dehydro-3-deoxy-D-arabino-heptonate"
FT /ligand_id="ChEBI:CHEBI:58394"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03143"
FT BINDING 875..882
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03143"
SQ SEQUENCE 1581 AA; 178045 MW; 417A84356061170F CRC64;
MKEIIKLSIL GKDSIHIGLH LWPHITNELF TCIFSPTYVI ITDSNIETLY IPSFKTYFIS
MAKQRSINSR LLFFTIPPGE KSKSRKTKAL IEDWLLSEKC TRDTVIIAIG GGVIGDLVGY
VSATFMRGVR FIQIPTTLLA MVDSSIGGKN SINTSYGKNA IGTIWQPERI FIDFTFLETL
TEKEFINGIA ELIKTIIIWD ESEFASLENI SEKIAKTVRS MSLTSNKHSK FNEIIKDLKR
YIISSIKIKA HIVSIDEKEK DLRTLLNFGH SIGHAIETVL APYILHGESI SIGMVKEAEL
SRHLGILNPN VVSRLIKCLN TWGLPTSFKD RRFKEVILGK KHLIEDILEI MSIDKKNDSN
NKKIVLLSAI GKTYEKKASS VSDDDIRTIL SQNILLYGIP LNAFQKHTTI TLPGSKSISN
RALILASLSN GICYLKNFLH SDDTYYMLSA LEKLNAAEFK WEQDGDVLVV KGKSGYLENP
QMELYLGNSG TTARFLTSIC TLVQPNSREN HLILTGSNRM KQRPIGPLVD ALKNNGCCIE
YLELENCLPL LIKPKEIGLY GGNINLSATV SSQYVSSILM CSPYAKTQVT LSLIGGKPIS
QPYIDMTISM MSSFGIKVTR SHSKENTYYI PKGCYTCPSE YIIEGDATSA TYPLAIAAIT
GGSCTISNVG SASLQGDSKF SEYILKPMGC EVVQSPTTTY IKGPPKGKLK SLGSINMESM
TDTFLTAAVL ASVAYEESKP YVTKITGISN QRIKECNRIN AMVCELKKFG IEAGELPDGI
YVKALNTSNL PYSVEGINCY NDHRIAMSFS VLACISSKPT TILDKACVNK TWPYWWDILN
STFKVQMKGI EFDLNPTINS SILHHPSECT IFLIGMRGAG KTTLGQLAAN FLGREFIDLD
SIIEEDIKTT ILEFIQKYSW DVFRRKELHF LKTLLTEKKE NYIISCGGGI IETEEARDLL
ISYIEANGIV IHIHRNIQDI IKYLNTDKTR APYQDNIMHV WERRKRWYNL CSSHQFHMTS
TDPTEFKKNI PLNLKSSFNN FLRTITGKNN IFSLILKKKR SYFLSLAFSD LENIFSLLDI
ITAGCDAIEI RIDLFQKPEE IDKYPSLEYI AEKIFLLRQK TSLPLIYTLR TTNHGGSFLS
SEKKLAKEYI LHGAKWGFEF LDIELDIASE LFKTINNSWP YTKIIASYHN IEKPISCDDF
EWIQKYKEAQ HYGHIIKLVG TSSSIEDNFF LEEFKSKFIN KKVPSIIINT GIKGQLSRIM
NTFMTPVTHP SLPSKIAPGQ LSIKEINTAL HIMGLLPEKK YFLFGKPIKH SQSPNIHNLG
FEILGLPYKY QLFETDSISE LKEILHLEEF GGASVTIPLK TNISILLDEI SDHAALIGSV
NTITRTYNNG QYILKGENTD WQGIIKAIKN FNKFEKSFEN FSGFIIGAGG ASRAAIYALL
SLGISPIYLI NRSKDKLNKL YHFFNTNHII PITEYHELNN INFDIRIGIS TIPTDNPIDP
SVLEIAKIFF NLKRKSSEGI FLDMAYGSNT TDLTIIAKAC NWKIIHGLEI LLEQGSEQFL
LWTETYIPYN QVKYAILGPN K
