SYA_MYCS2
ID SYA_MYCS2 Reviewed; 896 AA.
AC A0QWQ4; I7GAA7;
DT 02-SEP-2008, integrated into UniProtKB/Swiss-Prot.
DT 09-JAN-2007, sequence version 1.
DT 03-AUG-2022, entry version 101.
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};
GN OrderedLocusNames=MSMEG_3025, MSMEI_2950;
OS Mycolicibacterium smegmatis (strain ATCC 700084 / mc(2)155) (Mycobacterium
OS smegmatis).
OC Bacteria; Actinobacteria; Corynebacteriales; Mycobacteriaceae;
OC Mycolicibacterium.
OX NCBI_TaxID=246196;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 700084 / mc(2)155;
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.
RN [2]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 700084 / mc(2)155;
RX PubMed=17295914; DOI=10.1186/gb-2007-8-2-r20;
RA Deshayes C., Perrodou E., Gallien S., Euphrasie D., Schaeffer C.,
RA Van-Dorsselaer A., Poch O., Lecompte O., Reyrat J.-M.;
RT "Interrupted coding sequences in Mycobacterium smegmatis: authentic
RT mutations or sequencing errors?";
RL Genome Biol. 8:R20.1-R20.9(2007).
RN [3]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA], IDENTIFICATION BY MASS
RP SPECTROMETRY [LARGE SCALE ANALYSIS], AND IDENTIFICATION OF N-TERMINUS.
RC STRAIN=ATCC 700084 / mc(2)155;
RX PubMed=18955433; DOI=10.1101/gr.081901.108;
RA Gallien S., Perrodou E., Carapito C., Deshayes C., Reyrat J.-M.,
RA Van Dorsselaer A., Poch O., Schaeffer C., Lecompte O.;
RT "Ortho-proteogenomics: multiple proteomes investigation through orthology
RT and a new MS-based protocol.";
RL Genome Res. 19:128-135(2009).
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; CP000480; ABK71787.1; -; Genomic_DNA.
DR EMBL; CP001663; AFP39414.1; -; Genomic_DNA.
DR RefSeq; WP_011728764.1; NZ_SIJM01000002.1.
DR RefSeq; YP_887342.1; NC_008596.1.
DR AlphaFoldDB; A0QWQ4; -.
DR SMR; A0QWQ4; -.
DR STRING; 246196.MSMEI_2950; -.
DR EnsemblBacteria; ABK71787; ABK71787; MSMEG_3025.
DR EnsemblBacteria; AFP39414; AFP39414; MSMEI_2950.
DR GeneID; 66734432; -.
DR KEGG; msg:MSMEI_2950; -.
DR KEGG; msm:MSMEG_3025; -.
DR PATRIC; fig|246196.19.peg.2987; -.
DR eggNOG; COG0013; Bacteria.
DR OMA; YHHTMFE; -.
DR OrthoDB; 91428at2; -.
DR Proteomes; UP000000757; Chromosome.
DR Proteomes; UP000006158; 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 1: Evidence at protein level;
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..896
FT /note="Alanine--tRNA ligase"
FT /id="PRO_0000347683"
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 896 AA; 96783 MW; D9D34A0B5C5D78E5 CRC64;
MQTHEIRKRF LDHFVKAGHT EVPSASVILD DPNLLFVNAG MVQFVPYFLG QRTPPWNRAT
SIQKCIRTPD IDEVGITTRH NTFFQMAGNF SFGDYFKRGA IELAWTLLTN PVEEGGYGFD
PERLWATVYL DDDEAIGLWQ EVAGLPAERI QRRGMADNYW SMGIPGPCGP SSEIYYDRGP
EYGVEGGPEA NEDRYIEIWN LVFMQNERGE GTSKEDFEIL GPLPRKNIDT GMGIERVACL
LQGVDNVYET DLLRPVIDKV AAVAPRGYGA GNHDDDVRYR IIADHTRTAA IIIADGVSPG
NEGRGYVLRR LLRRIIRAAK LLGVEQPVMG DLIATVRDAM GPSYPELVTD FERINRIAVA
EETAFNRTLA SGSKLFEDAA RATKKSGATV LSGSDAFTLH DTYGFPIDLT LEMAAEAGLS
VDQEGFRTLM AEQRQRAKAD AAARKQAHTD LSAYRELVDA GPTEFTGFDE LTSEATILGI
FVDGKRVPVV SHDGLEADRV ELILDRTPFY AEAGGQIADE GTISGTGASG TARAAVTDVQ
KIARTLWAHR VNVESGEFVE GDTVTAAVDP KWRRGATQGH SGTHMVHAAL REVLGPNAVQ
AGSLNRPGYL RFDFNWQGPL SDDQRTQIEE VTNQAVEADY EVHTFVTELE KAKAMGAMAM
FGERYPDQVR VVEIGGPFSL ELCGGTHVHN SAQIGPVTIL GESSVGSGVR RVEAYVGLDS
FRHLAKERAL MAGLASSLKV PSEEVPARVA NLVERLKAAE KELDRMRLAN ARAAAVNAVA
GAETVGKVRL VAQRMSGGMS ANDLRSLVGD IRGKLGSEPA VVALIAEGEN DAVPFVVAVN
PAAQDLGLRA NDLVKQFAAP VNGRGGGKAD LAQGSGKGAA GIDAALAALR AEIGRS
