ID   SYA_MYCGA               Reviewed;         902 AA.
AC   Q7NBY8;
DT   06-DEC-2005, integrated into UniProtKB/Swiss-Prot.
DT   06-DEC-2005, sequence version 2.
DT   03-AUG-2022, entry version 100.
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=MYCGA1220;
GN   ORFNames=MGA_0834;
OS   Mycoplasma gallisepticum (strain R(low / passage 15 / clone 2))
OS   (Mycoplasmoides gallisepticum).
OC   Bacteria; Tenericutes; Mollicutes; Mycoplasmataceae; Mycoplasma.
OX   NCBI_TaxID=710127;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=R(low / passage 15 / clone 2);
RX   PubMed=12949158; DOI=10.1099/mic.0.26427-0;
RA   Papazisi L., Gorton T.S., Kutish G., Markham P.F., Browning G.F.,
RA   Nguyen D.K., Swartzell S., Madan A., Mahairas G., Geary S.J.;
RT   "The complete genome sequence of the avian pathogen Mycoplasma
RT   gallisepticum strain R(low).";
RL   Microbiology 149:2307-2316(2003).
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; AE015450; AAP56472.2; -; Genomic_DNA.
DR   RefSeq; WP_011113351.1; NC_004829.2.
DR   AlphaFoldDB; Q7NBY8; -.
DR   SMR; Q7NBY8; -.
DR   PRIDE; Q7NBY8; -.
DR   KEGG; mga:MGA_0834; -.
DR   PATRIC; fig|233150.7.peg.136; -.
DR   HOGENOM; CLU_004485_1_1_14; -.
DR   OMA; YHHTMFE; -.
DR   OrthoDB; 91428at2; -.
DR   Proteomes; UP000001418; 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; Reference proteome; RNA-binding;
KW   tRNA-binding; Zinc.
FT   CHAIN           1..902
FT                   /note="Alanine--tRNA ligase"
FT                   /id="PRO_0000075148"
FT   BINDING         567
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00036"
FT   BINDING         571
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00036"
FT   BINDING         671
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00036"
FT   BINDING         675
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00036"
SQ   SEQUENCE   902 AA;  104553 MW;  691E916853015C79 CRC64;
     MNKHLSGSQI RQIWLDFFKS KKHEIIESKS LVPINDPSLL WINAGVATLK KYFSGEENPI
     NPRLANSQRC IRANDIENVG VTSRHHTVFE MLGNFSIGDY FKKEAIEFGY ELLTKFYGLN
     KDKLYITIYE DDNDAFNYWV GQGINPHHII RCDRKRNFWD LGSGPCGPST EIYYDRGEKY
     DPNKLGEKLF FEDIENDRYI EVWNIVFSQF NNTGNNNYTE LLRKNIDTGA SLERFACILQ
     DVPTNYDTDL YLPIIRTIEK HTNHKYVVDH YFSKDQSEQD VLRAFRVIAD HLKCGVFAIA
     DGVLPGAKDR DYIIRKLLRR AFVYAKKLNA KPEYLVETIN VIINTYSDFF KYLIPNKEIV
     IQAITNEANN FTKTLDYGFE IFNEAKTTNN ITAETIFKLV ETYGFPLDLI KELSAEAKIK
     LDLDGFEELF KKHQEISKAN NGEVGLKKQN ENLLKFKTPS KFFYDKNNIK TKVVAIFDDK
     FNPVDQIEVG SGWAVFESTP IYATSGGQRF DEGYCLKKGN LVVHFDNVIK APNKQHLHHF
     KKASFWLNEK VELMHDENWR KLVRKNHSLE HILHATLKNT ISETIKQSGA FKSAAKATLD
     FNYPTRLTDE DLDKIETKMR QVIADKIPVT VHHVDYETSQ KMNAIAYFEE EYKKHELLRV
     IKIGDYSVEL CGGTHVDNTK EIEECFITNL YSLGAGRWRI EIMSSYETIY NYLVDKQNEI
     KQEKDHMFNE LGNYDLTHYL DFSKKLHSFN LPNSIKDLRK TLRAFEQIKE EYKAIKLELD
     KKKTKDRANQ IKKLALDNLE HKIVLLFFDK EEHKALSIAH SELVNEKPDH LFFFINKSDN
     KINYLIGIKN ATYKLNAKLL IDKVNAMFGA KGGGKQNFAQ GGFSTDKDVG KLKADFVNIC
     IT