ID A0A1T4MPL3_9FIRM Unreviewed; 415 AA.
AC A0A1T4MPL3;
DT 10-MAY-2017, integrated into UniProtKB/TrEMBL.
DT 10-MAY-2017, sequence version 1.
DT 24-JAN-2024, entry version 28.
DE RecName: Full=methylaspartate ammonia-lyase {ECO:0000256|ARBA:ARBA00012993};
DE EC=4.3.1.2 {ECO:0000256|ARBA:ARBA00012993};
GN ORFNames=SAMN02745118_01550 {ECO:0000313|EMBL:SJZ68735.1};
OS Selenihalanaerobacter shriftii.
OC Bacteria; Bacillota; Clostridia; Halanaerobiales; Halobacteroidaceae;
OC Selenihalanaerobacter.
OX NCBI_TaxID=142842 {ECO:0000313|EMBL:SJZ68735.1, ECO:0000313|Proteomes:UP000190625};
RN [1] {ECO:0000313|Proteomes:UP000190625}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-73 {ECO:0000313|Proteomes:UP000190625};
RA Varghese N., Submissions S.;
RL Submitted (FEB-2017) to the EMBL/GenBank/DDBJ databases.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(2S,3S)-3-methyl-L-aspartate = mesaconate + NH4(+);
CC Xref=Rhea:RHEA:12829, ChEBI:CHEBI:28938, ChEBI:CHEBI:36986,
CC ChEBI:CHEBI:58724; EC=4.3.1.2;
CC Evidence={ECO:0000256|ARBA:ARBA00000789};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|ARBA:ARBA00001946,
CC ECO:0000256|PIRSR:PIRSR017107-4};
CC -!- PATHWAY: Amino-acid degradation; L-glutamate degradation via mesaconate
CC pathway; acetate and pyruvate from L-glutamate: step 2/4.
CC {ECO:0000256|ARBA:ARBA00004675}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|ARBA:ARBA00011738}.
CC -!- SIMILARITY: Belongs to the methylaspartate ammonia-lyase family.
CC {ECO:0000256|ARBA:ARBA00009954}.
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DR EMBL; FUWM01000011; SJZ68735.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1T4MPL3; -.
DR STRING; 142842.SAMN02745118_01550; -.
DR OrthoDB; 8630262at2; -.
DR UniPathway; UPA00561; UER00618.
DR Proteomes; UP000190625; Unassembled WGS sequence.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0050096; F:methylaspartate ammonia-lyase activity; IEA:UniProtKB-EC.
DR GO; GO:0019553; P:glutamate catabolic process via L-citramalate; IEA:UniProtKB-UniPathway.
DR CDD; cd03314; MAL; 1.
DR Gene3D; 3.20.20.120; Enolase-like C-terminal domain; 1.
DR Gene3D; 3.30.390.10; Enolase-like, N-terminal domain; 1.
DR InterPro; IPR036849; Enolase-like_C_sf.
DR InterPro; IPR029017; Enolase-like_N.
DR InterPro; IPR006395; Me_Asp_am_lyase.
DR InterPro; IPR022662; MeAsp_NH4-lyase_C.
DR InterPro; IPR022665; MeAsp_NH4-lyase_N.
DR NCBIfam; TIGR01502; B_methylAsp_ase; 1.
DR PANTHER; PTHR48073:SF2; O-SUCCINYLBENZOATE SYNTHASE; 1.
DR PANTHER; PTHR48073; O-SUCCINYLBENZOATE SYNTHASE-RELATED; 1.
DR Pfam; PF07476; MAAL_C; 1.
DR Pfam; PF05034; MAAL_N; 1.
DR PIRSF; PIRSF017107; MAL; 1.
DR SFLD; SFLDF00007; methylaspartate_ammonia-lyase; 1.
DR SFLD; SFLDG00151; methylaspartate_ammonia-lyase; 1.
DR SUPFAM; SSF51604; Enolase C-terminal domain-like; 1.
DR SUPFAM; SSF54826; Enolase N-terminal domain-like; 1.
PE 3: Inferred from homology;
KW Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000313|EMBL:SJZ68735.1};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|PIRSR:PIRSR017107-4};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|PIRSR:PIRSR017107-4};
KW Reference proteome {ECO:0000313|Proteomes:UP000190625}.
FT DOMAIN 1..159
FT /note="Methylaspartate ammonia-lyase N-terminal"
FT /evidence="ECO:0000259|Pfam:PF05034"
FT DOMAIN 162..410
FT /note="Methylaspartate ammonia-lyase C-terminal"
FT /evidence="ECO:0000259|Pfam:PF07476"
FT ACT_SITE 331
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR017107-1"
FT BINDING 172
FT /ligand="(2S,3S)-3-methyl-L-aspartate"
FT /ligand_id="ChEBI:CHEBI:58724"
FT /evidence="ECO:0000256|PIRSR:PIRSR017107-2"
FT BINDING 238
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR017107-4"
FT BINDING 273
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR017107-4"
FT BINDING 307
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|PIRSR:PIRSR017107-4"
FT BINDING 329
FT /ligand="(2S,3S)-3-methyl-L-aspartate"
FT /ligand_id="ChEBI:CHEBI:58724"
FT /evidence="ECO:0000256|PIRSR:PIRSR017107-2"
FT SITE 194
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000256|PIRSR:PIRSR017107-3"
SQ SEQUENCE 415 AA; 46207 MW; C40646903EBB9239 CRC64;
MKIKEIVTSP GLTGFYFDDQ QAIKDGAEHD GVTYIGEAIT EGFTSIRQAG ESISIMIILE
DGQVAYGDCA AVQYSGAGGR DPLFLAEEFI PIIEEKIGPE LIGKELNSFR ELAEEFDNFK
VNGKRLHTAI RYGLTQVLLD AVAKAKKKTM TEVVAEEYGL ELSVKPVPIF TQTGDDRYLN
ADKMIIKHAD VLPHGLINNV KEKLGENGEK LLEYVKWLKD RVEELKNEED YQPIFHIDVY
GTIGLAFDND PEKMAEYLKG LDEAAQPYTL RIEGPMDSGS RKAQIKDMKA LREEVKKQDI
DVELVADEWC NTLEDIKMFV DEEAADIVQI KTPDLGGINN TIEAVLYCKE NGVGAYQGGT
CNETERSAQI CVNLALATRP DQMLAKPGMG VDEGLMIVKN EMERVLSLLR VSQRL
//
