ID S3X0W9_9ACTN Unreviewed; 831 AA.
AC S3X0W9;
DT 18-SEP-2013, integrated into UniProtKB/TrEMBL.
DT 18-SEP-2013, sequence version 1.
DT 24-JAN-2024, entry version 51.
DE RecName: Full=Hydrogenobyrinate a,c-diamide synthase {ECO:0000256|HAMAP-Rule:MF_00027};
DE EC=6.3.5.9 {ECO:0000256|HAMAP-Rule:MF_00027};
DE AltName: Full=Hydrogenobyrinic acid a,c-diamide synthase {ECO:0000256|HAMAP-Rule:MF_00027};
GN Name=cobB {ECO:0000256|HAMAP-Rule:MF_00027};
GN ORFNames=HMPREF1531_01222 {ECO:0000313|EMBL:EPH03796.1};
OS Propionibacterium sp. oral taxon 192 str. F0372.
OC Bacteria; Actinomycetota; Actinomycetes; Propionibacteriales;
OC Propionibacteriaceae; Propionibacterium.
OX NCBI_TaxID=1203605 {ECO:0000313|EMBL:EPH03796.1, ECO:0000313|Proteomes:UP000014567};
RN [1] {ECO:0000313|EMBL:EPH03796.1, ECO:0000313|Proteomes:UP000014567}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=F0372 {ECO:0000313|EMBL:EPH03796.1,
RC ECO:0000313|Proteomes:UP000014567};
RG The Broad Institute Genomics Platform;
RA Earl A., Ward D., Feldgarden M., Gevers D., Kirega A., Socransky S.S.,
RA Dewhirst F.E., Izard J., Walker B., Young S., Zeng Q., Gargeya S.,
RA Fitzgerald M., Haas B., Abouelleil A., Allen A.W., Alvarado L.,
RA Arachchi H.M., Berlin A.M., Chapman S.B., Gainer-Dewar J., Goldberg J.,
RA Griggs A., Gujja S., Hansen M., Howarth C., Imamovic A., Ireland A.,
RA Larimer J., McCowan C., Murphy C., Pearson M., Poon T.W., Priest M.,
RA Roberts A., Saif S., Shea T., Sisk P., Sykes S., Wortman J., Nusbaum C.,
RA Birren B.;
RT "The Genome Sequence of Propionibacterium sp. oral taxon 192 str. F0372.";
RL Submitted (MAY-2013) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the ATP-dependent amidation of the two carboxylate
CC groups at positions a and c of hydrogenobyrinate, using either L-
CC glutamine or ammonia as the nitrogen source. {ECO:0000256|HAMAP-
CC Rule:MF_00027}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2 ATP + 2 H2O + hydrogenobyrinate + 2 L-glutamine = 2 ADP + 2
CC H(+) + hydrogenobyrinate a,c-diamide + 2 L-glutamate + 2 phosphate;
CC Xref=Rhea:RHEA:12544, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:29985, ChEBI:CHEBI:30616, ChEBI:CHEBI:43474,
CC ChEBI:CHEBI:58359, ChEBI:CHEBI:77873, ChEBI:CHEBI:77874,
CC ChEBI:CHEBI:456216; EC=6.3.5.9; Evidence={ECO:0000256|HAMAP-
CC Rule:MF_00027};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|ARBA:ARBA00001946,
CC ECO:0000256|HAMAP-Rule:MF_00027};
CC -!- PATHWAY: Cofactor biosynthesis; adenosylcobalamin biosynthesis;
CC cob(II)yrinate a,c-diamide from precorrin-2 (aerobic route): step 9/10.
CC {ECO:0000256|HAMAP-Rule:MF_00027}.
CC -!- DOMAIN: Comprises of two domains. The C-terminal domain contains the
CC binding site for glutamine and catalyzes the hydrolysis of this
CC substrate to glutamate and ammonia. The N-terminal domain is
CC anticipated to bind ATP and hydrogenobyrinate and catalyzes the
CC ultimate synthesis of the diamide product. The ammonia produced via the
CC glutaminase domain is probably translocated to the adjacent domain via
CC a molecular tunnel, where it reacts with an activated intermediate.
CC {ECO:0000256|HAMAP-Rule:MF_00027}.
CC -!- MISCELLANEOUS: The a and c carboxylates of hydrogenobyrinate are
CC activated for nucleophilic attack via formation of a phosphorylated
CC intermediate by ATP. CobB catalyzes first the amidation of the c-
CC carboxylate, and then that of the a-carboxylate. {ECO:0000256|HAMAP-
CC Rule:MF_00027}.
CC -!- SIMILARITY: Belongs to the CobB/CbiA family. {ECO:0000256|HAMAP-
CC Rule:MF_00027}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:EPH03796.1}.
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DR EMBL; ATFL01000010; EPH03796.1; -; Genomic_DNA.
DR RefSeq; WP_016669022.1; NZ_KE340297.1.
DR AlphaFoldDB; S3X0W9; -.
DR STRING; 1203605.HMPREF1531_01222; -.
DR PATRIC; fig|1203605.3.peg.1267; -.
DR eggNOG; COG0079; Bacteria.
DR eggNOG; COG1797; Bacteria.
DR HOGENOM; CLU_348794_0_0_11; -.
DR OrthoDB; 9764035at2; -.
DR UniPathway; UPA00148; UER00220.
DR Proteomes; UP000014567; Unassembled WGS sequence.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0042242; F:cobyrinic acid a,c-diamide synthase activity; IEA:InterPro.
DR GO; GO:0043802; F:hydrogenobyrinic acid a,c-diamide synthase (glutamine-hydrolysing) activity; IEA:UniProtKB-UniRule.
DR GO; GO:0030170; F:pyridoxal phosphate binding; IEA:InterPro.
DR GO; GO:0009236; P:cobalamin biosynthetic process; IEA:UniProtKB-UniRule.
DR GO; GO:0006541; P:glutamine metabolic process; IEA:UniProtKB-UniRule.
DR CDD; cd00609; AAT_like; 1.
DR CDD; cd03130; GATase1_CobB; 1.
DR Gene3D; 3.40.50.880; -; 1.
DR Gene3D; 3.90.1150.10; Aspartate Aminotransferase, domain 1; 1.
DR Gene3D; 3.40.50.300; P-loop containing nucleotide triphosphate hydrolases; 1.
DR Gene3D; 3.40.640.10; Type I PLP-dependent aspartate aminotransferase-like (Major domain); 1.
DR HAMAP; MF_00027; CobB_CbiA; 1.
DR InterPro; IPR004839; Aminotransferase_I/II.
DR InterPro; IPR004484; CbiA_synth.
DR InterPro; IPR029062; Class_I_gatase-like.
DR InterPro; IPR002586; CobQ/CobB/MinD/ParA_Nub-bd_dom.
DR InterPro; IPR011698; GATase_3.
DR InterPro; IPR004838; NHTrfase_class1_PyrdxlP-BS.
DR InterPro; IPR027417; P-loop_NTPase.
DR InterPro; IPR015424; PyrdxlP-dep_Trfase.
DR InterPro; IPR015421; PyrdxlP-dep_Trfase_major.
DR InterPro; IPR015422; PyrdxlP-dep_Trfase_small.
DR NCBIfam; TIGR00379; cobB; 1.
DR PANTHER; PTHR43873; COBYRINATE A,C-DIAMIDE SYNTHASE; 1.
DR PANTHER; PTHR43873:SF1; COBYRINATE A,C-DIAMIDE SYNTHASE; 1.
DR Pfam; PF00155; Aminotran_1_2; 1.
DR Pfam; PF01656; CbiA; 1.
DR Pfam; PF07685; GATase_3; 1.
DR SUPFAM; SSF52317; Class I glutamine amidotransferase-like; 1.
DR SUPFAM; SSF52540; P-loop containing nucleoside triphosphate hydrolases; 1.
DR SUPFAM; SSF53383; PLP-dependent transferases; 1.
DR PROSITE; PS00105; AA_TRANSFER_CLASS_1; 1.
DR PROSITE; PS51274; GATASE_COBBQ; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW Rule:MF_00027}; Cobalamin biosynthesis {ECO:0000256|HAMAP-Rule:MF_00027};
KW Glutamine amidotransferase {ECO:0000256|ARBA:ARBA00022962,
KW ECO:0000256|HAMAP-Rule:MF_00027};
KW Ligase {ECO:0000256|ARBA:ARBA00022598, ECO:0000256|HAMAP-Rule:MF_00027};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|HAMAP-Rule:MF_00027};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_00027}; Reference proteome {ECO:0000313|Proteomes:UP000014567}.
FT DOMAIN 6..207
FT /note="CobQ/CobB/MinD/ParA nucleotide binding"
FT /evidence="ECO:0000259|Pfam:PF01656"
FT DOMAIN 277..459
FT /note="CobB/CobQ-like glutamine amidotransferase"
FT /evidence="ECO:0000259|Pfam:PF07685"
FT DOMAIN 537..816
FT /note="Aminotransferase class I/classII"
FT /evidence="ECO:0000259|Pfam:PF00155"
FT ACT_SITE 360
FT /note="Nucleophile"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00027"
FT SITE 457
FT /note="Increases nucleophilicity of active site Cys"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00027"
SQ SEQUENCE 831 AA; 86981 MW; 39CB89D5E91E05CE CRC64;
MRIPRIVVAA PNSSSGKTTI SIGLMGALTA AGHRVAPFKV GPDYIDPGYH TLATGHPGRN
LDAWLCGTEL ITPLLAHGAL LPDDQYGPAE LSIIEGVMGF LDGRLGVTDG VRGFGSTAHV
ASLTCSPVVL VADATGVSRT LAATVGGLAR SGDLLGGGLV APHIAGVIIN KCGSARAVGE
LRDAFKAVGL PVLGAVPRST DLVVPSRHLG LVPAAERDQA RAAVDAAAYL VAEHVDLDAV
LRVATAAPEL EVTPWSPVSH LRDALQQAGS VPHPGTRIAV AAGRAFTFRY AETVELFRAA
GAEVVEFDPM TDEHLPSDVH GLYLGGGFPE IYAEELAANL PLLEEVRRAV ADGVPTWAEC
AGMLYLCRRL DGMDMAGALP IDATMTPRLT LGYRTLTATT DSLMTRAGEQ VNSHEFHRTA
TTLLDDSLPA AWQVSSPGNP TKTEGLVGVN VLACYQHIHP VGAPGIVAGF VAGAHARAIR
GRAAVRIATT TGRRPEPDLR HHGDGDLAPG LVDLAVNVHP STDWLIDEIV EDRSAWGAYP
DPAATEAILA AHHAVRPEQV LCTAGGADAF TLIARYFAGG RTTIVHPQFT EPEQAARTSG
HQVSRVLLRA DDGFRLDPQQ IPGTAELVVV GNPTNPTGVL HPAETIASLA RPGRTVVVDE
AFMDFVDDAP SLICRFMEGI LVVRSVTKMW GIPGLRAGYL VGPAELIARL RALQAPWPVS
APALRAMSLI GDSRAADHAA QVRALTATRR EVLIGTLTDI GLSVVAGSRA PFILVDASAL
GDDPVARLAE NGFAVRRGDT FPGLGPGWIR VAVRDDAVSA ALGQALRRVL G
//