ID A0A068YSR8_9BURK Unreviewed; 992 AA.
AC A0A068YSR8;
DT 01-OCT-2014, integrated into UniProtKB/TrEMBL.
DT 01-OCT-2014, sequence version 1.
DT 24-JAN-2024, entry version 48.
DE RecName: Full=Valine--tRNA ligase {ECO:0000256|HAMAP-Rule:MF_02004};
DE EC=6.1.1.9 {ECO:0000256|HAMAP-Rule:MF_02004};
DE AltName: Full=Valyl-tRNA synthetase {ECO:0000256|HAMAP-Rule:MF_02004};
DE Short=ValRS {ECO:0000256|HAMAP-Rule:MF_02004};
GN Name=valS {ECO:0000256|HAMAP-Rule:MF_02004};
OS Polaromonas sp. CG9_12.
OC Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales;
OC Comamonadaceae; Polaromonas.
OX NCBI_TaxID=1504672 {ECO:0000313|EMBL:CDS50529.1, ECO:0000313|Proteomes:UP000043372};
RN [1] {ECO:0000313|EMBL:CDS50529.1, ECO:0000313|Proteomes:UP000043372}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RA Smith H.J., Foreman C.M., Ramaraj T.;
RT "Draft Genome Sequence of a Metabolically Diverse Antarctic Supraglacial
RT Stream Organism, Polaromonas sp. Strain CG9_12, Determined Using Pacific
RT Biosciences Single-Molecule Real-Time Sequencing Technology.";
RL Genome Announc. 2:1-2(2014).
CC -!- FUNCTION: Catalyzes the attachment of valine to tRNA(Val). As ValRS can
CC inadvertently accommodate and process structurally similar amino acids
CC such as threonine, to avoid such errors, it has a 'posttransfer'
CC editing activity that hydrolyzes mischarged Thr-tRNA(Val) in a tRNA-
CC dependent manner. {ECO:0000256|HAMAP-Rule:MF_02004}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + L-valine + tRNA(Val) = AMP + diphosphate + L-valyl-
CC tRNA(Val); Xref=Rhea:RHEA:10704, Rhea:RHEA-COMP:9672, Rhea:RHEA-
CC COMP:9708, ChEBI:CHEBI:30616, ChEBI:CHEBI:33019, ChEBI:CHEBI:57762,
CC ChEBI:CHEBI:78442, ChEBI:CHEBI:78537, ChEBI:CHEBI:456215; EC=6.1.1.9;
CC Evidence={ECO:0000256|ARBA:ARBA00001624, ECO:0000256|HAMAP-
CC Rule:MF_02004};
CC -!- SUBUNIT: Monomer. {ECO:0000256|HAMAP-Rule:MF_02004}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_02004}.
CC -!- DOMAIN: The C-terminal coiled-coil domain is crucial for aminoacylation
CC activity. {ECO:0000256|HAMAP-Rule:MF_02004}.
CC -!- DOMAIN: ValRS has two distinct active sites: one for aminoacylation and
CC one for editing. The misactivated threonine is translocated from the
CC active site to the editing site. {ECO:0000256|HAMAP-Rule:MF_02004}.
CC -!- SIMILARITY: Belongs to the class-I aminoacyl-tRNA synthetase family.
CC ValS type 1 subfamily. {ECO:0000256|HAMAP-Rule:MF_02004}.
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DR EMBL; CCJP01000005; CDS50529.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A068YSR8; -.
DR STRING; 1504672.gene:199030774; -.
DR eggNOG; COG0525; Bacteria.
DR OrthoDB; 9810365at2; -.
DR Proteomes; UP000043372; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0002161; F:aminoacyl-tRNA editing activity; IEA:InterPro.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0004832; F:valine-tRNA ligase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006438; P:valyl-tRNA aminoacylation; IEA:UniProtKB-UniRule.
DR CDD; cd07962; Anticodon_Ia_Val; 1.
DR CDD; cd00817; ValRS_core; 1.
DR Gene3D; 3.40.50.620; HUPs; 2.
DR Gene3D; 1.10.287.380; Valyl-tRNA synthetase, C-terminal domain; 1.
DR Gene3D; 3.90.740.10; Valyl/Leucyl/Isoleucyl-tRNA synthetase, editing domain; 2.
DR HAMAP; MF_02004; Val_tRNA_synth_type1; 1.
DR InterPro; IPR001412; aa-tRNA-synth_I_CS.
DR InterPro; IPR002300; aa-tRNA-synth_Ia.
DR InterPro; IPR033705; Anticodon_Ia_Val.
DR InterPro; IPR013155; M/V/L/I-tRNA-synth_anticd-bd.
DR InterPro; IPR014729; Rossmann-like_a/b/a_fold.
DR InterPro; IPR010978; tRNA-bd_arm.
DR InterPro; IPR009080; tRNAsynth_Ia_anticodon-bd.
DR InterPro; IPR037118; Val-tRNA_synth_C_sf.
DR InterPro; IPR019499; Val-tRNA_synth_tRNA-bd.
DR InterPro; IPR009008; Val/Leu/Ile-tRNA-synth_edit.
DR InterPro; IPR002303; Valyl-tRNA_ligase.
DR NCBIfam; TIGR00422; valS; 1.
DR PANTHER; PTHR11946:SF93; VALINE--TRNA LIGASE, CHLOROPLASTIC/MITOCHONDRIAL 2; 1.
DR PANTHER; PTHR11946; VALYL-TRNA SYNTHETASES; 1.
DR Pfam; PF08264; Anticodon_1; 1.
DR Pfam; PF00133; tRNA-synt_1; 1.
DR Pfam; PF10458; Val_tRNA-synt_C; 1.
DR PRINTS; PR00986; TRNASYNTHVAL.
DR SUPFAM; SSF47323; Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases; 1.
DR SUPFAM; SSF52374; Nucleotidylyl transferase; 1.
DR SUPFAM; SSF46589; tRNA-binding arm; 1.
DR SUPFAM; SSF50677; ValRS/IleRS/LeuRS editing domain; 1.
DR PROSITE; PS00178; AA_TRNA_LIGASE_I; 1.
PE 3: Inferred from homology;
KW Aminoacyl-tRNA synthetase {ECO:0000256|ARBA:ARBA00023146,
KW ECO:0000256|HAMAP-Rule:MF_02004};
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW Rule:MF_02004}; Coiled coil {ECO:0000256|HAMAP-Rule:MF_02004};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_02004};
KW Ligase {ECO:0000256|ARBA:ARBA00022598, ECO:0000256|HAMAP-Rule:MF_02004};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_02004};
KW Protein biosynthesis {ECO:0000256|ARBA:ARBA00022917, ECO:0000256|HAMAP-
KW Rule:MF_02004}; Reference proteome {ECO:0000313|Proteomes:UP000043372}.
FT DOMAIN 45..663
FT /note="Aminoacyl-tRNA synthetase class Ia"
FT /evidence="ECO:0000259|Pfam:PF00133"
FT DOMAIN 719..868
FT /note="Methionyl/Valyl/Leucyl/Isoleucyl-tRNA synthetase
FT anticodon-binding"
FT /evidence="ECO:0000259|Pfam:PF08264"
FT DOMAIN 927..990
FT /note="Valyl-tRNA synthetase tRNA-binding arm"
FT /evidence="ECO:0000259|Pfam:PF10458"
FT COILED 932..992
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02004"
FT MOTIF 70..80
FT /note="'HIGH' region"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02004"
FT MOTIF 586..590
FT /note="'KMSKS' region"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02004"
FT BINDING 589
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02004"
SQ SEQUENCE 992 AA; 111619 MW; 915FADE265C36A4D CRC64;
MTHAATPTPT APATDAAKVF PLTPGLDSLA KSFEPADIER HWGPLWEQSG QYEPTLDAAK
PSFAIQLPPP NVTGTLHMGH AFNQTIMDSL TRYHRMKGDN TLWVPGTDHA GIATQIVVER
KLQSETGKTR HDMGASPAEA RKNFVAKVWE WKEESGSTIT RQMRRMGDSV SWKHEYFTMD
PKMSKVVTST FVQLYEQGLI YRGKRLVNWD PVLKSAVSDL EVESEEEDGF MWHIRYPLAD
GAGDITVATT RPETMLGDVA VMVHPEDERY VHLIGQQVTL PLCGRTIPVI ADDYVDKDFG
TGVVKVTPAH DANDYAVGQR HNLPIICVLT LDAAINDNAP EKYRGMDRFV ARKAVVADLE
AQGFLVEVKK HKLMVPRCTR TSQIIEPMLT DQWFVAVNKV SEQDPTGKSI AQKAIDAVDS
GAVRFVPEQW VNTYNQWMGN IQDWCISRQL WWGHQIPAWY DEDGQVYVAV DEAEAKERYW
EEKHKQEPEL VPLLIKLKYS EVKLRRDEDV LDTWYSSALV PFSSLGWPEK TKELDLFLPS
SVLVTGYDII FFWVARMIMM TTHFTGQVPF QHVYIHGLVK DSQGKKMSKS EGNVLDPVDL
IDGIELAPLL DKRSQGLRKP ETAPQVRKNT EKEFPAGIPA YGADALRFTF ASLASLGRSI
NFDSKRCEGY RNFCNKLWNA TRFTLMNCEG QDCGLREHTK AECAPGGEME NYLDFSQADR
WIASTMQRVE ADVAKGFVEY RLDNVAGHIY QFIWDEFCDW YLEIAKVQIQ TGNDAQKRAT
RRTLIRTLEG ILRLAHPLIP FITEELWQKV APVAGKAGPF IGQAPYPQSQ PEKIDPQAEA
HVAKLKTLVD ACRNLRGEMK VSPATRLPLL VVGDDDFINA VAPVLKSLAK LSEVKLFAME
AQWVAAAEAA PVAVIGDARI CLYMEVDVAA EKARLGKEAA RLEGELVKVQ AKLANETFVA
KVPPAVLETE RRRLTEFTNT LEKIREQLAR HK
//