ID Q8TT63_METAC Unreviewed; 187 AA.
AC Q8TT63;
DT 01-JUN-2002, integrated into UniProtKB/TrEMBL.
DT 01-JUN-2002, sequence version 1.
DT 27-MAR-2024, entry version 98.
DE RecName: Full=siroheme decarboxylase {ECO:0000256|ARBA:ARBA00023471};
DE EC=4.1.1.111 {ECO:0000256|ARBA:ARBA00023471};
GN Name=nirD {ECO:0000313|EMBL:AAM04018.1};
GN OrderedLocusNames=MA_0574 {ECO:0000313|EMBL:AAM04018.1};
OS Methanosarcina acetivorans (strain ATCC 35395 / DSM 2834 / JCM 12185 /
OS C2A).
OC Archaea; Euryarchaeota; Stenosarchaea group; Methanomicrobia;
OC Methanosarcinales; Methanosarcinaceae; Methanosarcina.
OX NCBI_TaxID=188937 {ECO:0000313|EMBL:AAM04018.1, ECO:0000313|Proteomes:UP000002487};
RN [1] {ECO:0000313|EMBL:AAM04018.1, ECO:0000313|Proteomes:UP000002487}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 35395 / DSM 2834 / JCM 12185 / C2A
RC {ECO:0000313|Proteomes:UP000002487};
RX PubMed=11932238; DOI=10.1101/gr.223902;
RA Galagan J.E., Nusbaum C., Roy A., Endrizzi M.G., Macdonald P., FitzHugh W.,
RA Calvo S., Engels R., Smirnov S., Atnoor D., Brown A., Allen N., Naylor J.,
RA Stange-Thomann N., DeArellano K., Johnson R., Linton L., McEwan P.,
RA McKernan K., Talamas J., Tirrell A., Ye W., Zimmer A., Barber R.D.,
RA Cann I., Graham D.E., Grahame D.A., Guss A., Hedderich R., Ingram-Smith C.,
RA Kuettner C.H., Krzycki J.A., Leigh J.A., Li W., Liu J., Mukhopadhyay B.,
RA Reeve J.N., Smith K., Springer T.A., Umayam L.A., White O., White R.H.,
RA de Macario E.C., Ferry J.G., Jarrell K.F., Jing H., Macario A.J.L.,
RA Paulsen I., Pritchett M., Sowers K.R., Swanson R.V., Zinder S.H.,
RA Lander E., Metcalf W.W., Birren B.;
RT "The genome of Methanosarcina acetivorans reveals extensive metabolic and
RT physiological diversity.";
RL Genome Res. 12:532-542(2002).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2 H(+) + siroheme = 12,18-didecarboxysiroheme + 2 CO2;
CC Xref=Rhea:RHEA:19093, ChEBI:CHEBI:15378, ChEBI:CHEBI:16526,
CC ChEBI:CHEBI:60052, ChEBI:CHEBI:140497; EC=4.1.1.111;
CC Evidence={ECO:0000256|ARBA:ARBA00023409};
CC -!- PATHWAY: Porphyrin-containing compound metabolism.
CC {ECO:0000256|ARBA:ARBA00023444}.
CC -!- SIMILARITY: Belongs to the Ahb/Nir family.
CC {ECO:0000256|ARBA:ARBA00023457}.
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DR EMBL; AE010299; AAM04018.1; -; Genomic_DNA.
DR AlphaFoldDB; Q8TT63; -.
DR STRING; 188937.MA_0574; -.
DR EnsemblBacteria; AAM04018; AAM04018; MA_0574.
DR KEGG; mac:MA_0574; -.
DR HOGENOM; CLU_112007_1_0_2; -.
DR InParanoid; Q8TT63; -.
DR PhylomeDB; Q8TT63; -.
DR Proteomes; UP000002487; Chromosome.
DR GO; GO:0016829; F:lyase activity; IEA:UniProtKB-KW.
DR GO; GO:0043565; F:sequence-specific DNA binding; IEA:InterPro.
DR Gene3D; 3.30.70.3460; -; 1.
DR Gene3D; 1.10.10.10; Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain; 1.
DR InterPro; IPR000485; AsnC-type_HTH_dom.
DR InterPro; IPR040523; AsnC_trans_reg2.
DR InterPro; IPR019888; Tscrpt_reg_AsnC-like.
DR InterPro; IPR036388; WH-like_DNA-bd_sf.
DR InterPro; IPR036390; WH_DNA-bd_sf.
DR NCBIfam; NF040708; Siroheme_Dcarb_AhbA; 1.
DR PANTHER; PTHR43413:SF1; SIROHEME DECARBOXYLASE NIRL SUBUNIT; 1.
DR PANTHER; PTHR43413; TRANSCRIPTIONAL REGULATOR, ASNC FAMILY; 1.
DR Pfam; PF17805; AsnC_trans_reg2; 1.
DR Pfam; PF13404; HTH_AsnC-type; 1.
DR SMART; SM00344; HTH_ASNC; 1.
DR SUPFAM; SSF46785; Winged helix' DNA-binding domain; 1.
PE 3: Inferred from homology;
KW Lyase {ECO:0000256|ARBA:ARBA00023239};
KW Reference proteome {ECO:0000313|Proteomes:UP000002487}.
FT DOMAIN 39..82
FT /note="HTH asnC-type"
FT /evidence="ECO:0000259|Pfam:PF13404"
FT DOMAIN 101..179
FT /note="Siroheme decarboxylase AsnC-like ligand binding"
FT /evidence="ECO:0000259|Pfam:PF17805"
SQ SEQUENCE 187 AA; 21556 MW; 67B04DC723037C9F CRC64;
MIVIQMIDIE NYKDRLHKEA ADFSCDMDPY DGEVPVIELD ETDKRILNLI QQEVPLEVEP
FARLGEILGL PETEVIERLR ELNRKGAVRR VGPVLSMRNM GGVSTLVALK VPDSRIEEIA
IFINEYPEVS HNYLRSAAQY NLWFTLSAPN KNRLERILGE IREKTGCPLL DLPTKHLFKI
QVKFDIR
//
