SYA_MYCA1
ID SYA_MYCA1 Reviewed; 900 AA.
AC A0QI75;
DT 02-SEP-2008, integrated into UniProtKB/Swiss-Prot.
DT 09-JAN-2007, sequence version 1.
DT 03-AUG-2022, entry version 86.
DE RecName: Full=Alanine--tRNA ligase {ECO:0000255|HAMAP-Rule:MF_00036};
DE EC=6.1.1.7 {ECO:0000255|HAMAP-Rule:MF_00036};
DE AltName: Full=Alanyl-tRNA synthetase {ECO:0000255|HAMAP-Rule:MF_00036};
DE Short=AlaRS {ECO:0000255|HAMAP-Rule:MF_00036};
GN Name=alaS {ECO:0000255|HAMAP-Rule:MF_00036}; OrderedLocusNames=MAV_3431;
OS Mycobacterium avium (strain 104).
OC Bacteria; Actinobacteria; Corynebacteriales; Mycobacteriaceae;
OC Mycobacterium; Mycobacterium avium complex (MAC).
OX NCBI_TaxID=243243;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=104;
RA Fleischmann R.D., Dodson R.J., Haft D.H., Merkel J.S., Nelson W.C.,
RA Fraser C.M.;
RL Submitted (OCT-2006) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the attachment of alanine to tRNA(Ala) in a two-
CC step reaction: alanine is first activated by ATP to form Ala-AMP and
CC then transferred to the acceptor end of tRNA(Ala). Also edits
CC incorrectly charged Ser-tRNA(Ala) and Gly-tRNA(Ala) via its editing
CC domain. {ECO:0000255|HAMAP-Rule:MF_00036}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + L-alanine + tRNA(Ala) = AMP + diphosphate + L-alanyl-
CC tRNA(Ala); Xref=Rhea:RHEA:12540, Rhea:RHEA-COMP:9657, Rhea:RHEA-
CC COMP:9923, ChEBI:CHEBI:30616, ChEBI:CHEBI:33019, ChEBI:CHEBI:57972,
CC ChEBI:CHEBI:78442, ChEBI:CHEBI:78497, ChEBI:CHEBI:456215; EC=6.1.1.7;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00036};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00036};
CC Note=Binds 1 zinc ion per subunit. {ECO:0000255|HAMAP-Rule:MF_00036};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00036}.
CC -!- DOMAIN: Consists of three domains; the N-terminal catalytic domain, the
CC editing domain and the C-terminal C-Ala domain. The editing domain
CC removes incorrectly charged amino acids, while the C-Ala domain, along
CC with tRNA(Ala), serves as a bridge to cooperatively bring together the
CC editing and aminoacylation centers thus stimulating deacylation of
CC misacylated tRNAs. {ECO:0000255|HAMAP-Rule:MF_00036}.
CC -!- SIMILARITY: Belongs to the class-II aminoacyl-tRNA synthetase family.
CC {ECO:0000255|HAMAP-Rule:MF_00036}.
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DR EMBL; CP000479; ABK68891.1; -; Genomic_DNA.
DR RefSeq; WP_003872646.1; NC_008595.1.
DR AlphaFoldDB; A0QI75; -.
DR SMR; A0QI75; -.
DR EnsemblBacteria; ABK68891; ABK68891; MAV_3431.
DR GeneID; 66694672; -.
DR KEGG; mav:MAV_3431; -.
DR HOGENOM; CLU_004485_1_1_11; -.
DR OMA; YHHTMFE; -.
DR OrthoDB; 91428at2; -.
DR Proteomes; UP000001574; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0004813; F:alanine-tRNA ligase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0000049; F:tRNA binding; IEA:UniProtKB-KW.
DR GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0006419; P:alanyl-tRNA aminoacylation; IEA:UniProtKB-UniRule.
DR Gene3D; 3.30.930.10; -; 1.
DR HAMAP; MF_00036_B; Ala_tRNA_synth_B; 1.
DR InterPro; IPR045864; aa-tRNA-synth_II/BPL/LPL.
DR InterPro; IPR002318; Ala-tRNA-lgiase_IIc.
DR InterPro; IPR018162; Ala-tRNA-ligase_IIc_anticod-bd.
DR InterPro; IPR018165; Ala-tRNA-synth_IIc_core.
DR InterPro; IPR018164; Ala-tRNA-synth_IIc_N.
DR InterPro; IPR023033; Ala_tRNA_ligase_euk/bac.
DR InterPro; IPR003156; DHHA1_dom.
DR InterPro; IPR018163; Thr/Ala-tRNA-synth_IIc_edit.
DR InterPro; IPR009000; Transl_B-barrel_sf.
DR InterPro; IPR012947; tRNA_SAD.
DR Pfam; PF02272; DHHA1; 1.
DR Pfam; PF01411; tRNA-synt_2c; 1.
DR Pfam; PF07973; tRNA_SAD; 1.
DR PRINTS; PR00980; TRNASYNTHALA.
DR SMART; SM00863; tRNA_SAD; 1.
DR SUPFAM; SSF101353; SSF101353; 1.
DR SUPFAM; SSF50447; SSF50447; 1.
DR SUPFAM; SSF55186; SSF55186; 1.
DR SUPFAM; SSF55681; SSF55681; 1.
DR TIGRFAMs; TIGR00344; alaS; 1.
DR PROSITE; PS50860; AA_TRNA_LIGASE_II_ALA; 1.
PE 3: Inferred from homology;
KW Aminoacyl-tRNA synthetase; ATP-binding; Cytoplasm; Ligase; Metal-binding;
KW Nucleotide-binding; Protein biosynthesis; RNA-binding; tRNA-binding; Zinc.
FT CHAIN 1..900
FT /note="Alanine--tRNA ligase"
FT /id="PRO_0000347679"
FT BINDING 580
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00036"
FT BINDING 584
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00036"
FT BINDING 683
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00036"
FT BINDING 687
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00036"
SQ SEQUENCE 900 AA; 96935 MW; F4E69E12BCA66B41 CRC64;
MQTHEIRKRF LDHFVKAGHT EVPSASVILD DPNLLFVNAG MVQFVPYFLG ARTPPYPTAT
SIQKCIRTPD IDEVGITTRH NTFFQMAGNF SFGDYFKREA IELAWTLLTG SVEQGGYGLD
PERIWTTVYF DDDEAVRLWQ EIAGLPAERI QRRGMEDNYW SMGIPGPCGP SSEIYYDRGE
EFGVGGGPIA NEDRYVELWN LVFMQSERGE GTSKTDFEIL GPLPRKNIDT GMGVERVAFV
LQGVHNVYET DLLRPVIDAV AARAPRPYDA GNHDDDVRYR IIADHSRTAA ILIGDGVTPG
NDGRGYVLRR LLRRVIRSAR LLDIEGPIVG DLMATVRDAM GPSYPELVTD FDRIARIAVA
EETAFNRTLA AGSKLFDEVA STTKATGAKS ISGSDAFTLH DTYGFPIELT LEMASEAGLQ
VDEVGFRELM AEQRRRAKAD AAARKHAHAD LTAYRELVDA GPTEFTGFDE LSSEARILGI
FVDGKRVPVV THGGDGADRV ELVLDRTPLY AESGGQIADE GTISGTGAGE SARAAVTDVQ
KIAKTLWVHR VNVESGEFVE GDTVIAAVDP QWRRGATQGH SGTHMVHAAL RQVLGPNAVQ
AGSLNRPGYL RFDFNWQGPL TEEQRTQIEE VTNQAVQADF EVHTFTEQLE KAKAMGAIAL
FGESYPEQVR VVEIGGPFSL ELCGGTHVHN SAQIGPVTIL GESSVGSGVR RVEAYVGLDS
FRHLAKERAL MAGLASSLKV PSEEVPARVA NLVERLRAAE KELERMRLAS ARAAAGNAAA
GAERIGNVRV VAQRMSGGMT AADLRSLVGD IRGKLGSDPA VVALIAEGEG GSVPYAVAAN
PAAQDLGIRA NDLVKQLAAP VDGRGGGKAD LAQGSGKDPA GIDAALDAVR SEIAAIARVG