ID A0A0K2YEQ8_9NOCA Unreviewed; 413 AA.
AC A0A0K2YEQ8;
DT 11-NOV-2015, integrated into UniProtKB/TrEMBL.
DT 11-NOV-2015, sequence version 1.
DT 27-MAR-2024, entry version 32.
DE RecName: Full=L-cysteine:1D-myo-inositol 2-amino-2-deoxy-alpha-D-glucopyranoside ligase {ECO:0000256|HAMAP-Rule:MF_01697};
DE Short=L-Cys:GlcN-Ins ligase {ECO:0000256|HAMAP-Rule:MF_01697};
DE EC=6.3.1.13 {ECO:0000256|HAMAP-Rule:MF_01697};
DE AltName: Full=Mycothiol ligase {ECO:0000256|HAMAP-Rule:MF_01697};
DE Short=MSH ligase {ECO:0000256|HAMAP-Rule:MF_01697};
GN Name=mshC {ECO:0000256|HAMAP-Rule:MF_01697,
GN ECO:0000313|EMBL:CRK51033.1};
GN ORFNames=RHCRD62_20472 {ECO:0000313|EMBL:CRK51033.1};
OS Rhodococcus sp. RD6.2.
OC Bacteria; Actinomycetota; Actinomycetes; Mycobacteriales; Nocardiaceae;
OC Rhodococcus.
OX NCBI_TaxID=260936 {ECO:0000313|EMBL:CRK51033.1, ECO:0000313|Proteomes:UP000044872};
RN [1] {ECO:0000313|EMBL:CRK51033.1, ECO:0000313|Proteomes:UP000044872}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=RD6.2 {ECO:0000313|EMBL:CRK51033.1,
RC ECO:0000313|Proteomes:UP000044872};
RA Wang D.B., Wang M.;
RL Submitted (MAY-2015) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the ATP-dependent condensation of GlcN-Ins and L-
CC cysteine to form L-Cys-GlcN-Ins. {ECO:0000256|ARBA:ARBA00003679,
CC ECO:0000256|HAMAP-Rule:MF_01697}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=1D-myo-inositol 2-amino-2-deoxy-alpha-D-glucopyranoside + ATP
CC + L-cysteine = 1D-myo-inositol 2-(L-cysteinylamino)-2-deoxy-alpha-D-
CC glucopyranoside + AMP + diphosphate + H(+); Xref=Rhea:RHEA:26176,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:30616, ChEBI:CHEBI:33019,
CC ChEBI:CHEBI:35235, ChEBI:CHEBI:58886, ChEBI:CHEBI:58887,
CC ChEBI:CHEBI:456215; EC=6.3.1.13;
CC Evidence={ECO:0000256|ARBA:ARBA00000987, ECO:0000256|HAMAP-
CC Rule:MF_01697};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01697};
CC Note=Binds 1 zinc ion per subunit. {ECO:0000256|HAMAP-Rule:MF_01697};
CC -!- SUBUNIT: Monomer. {ECO:0000256|ARBA:ARBA00011245, ECO:0000256|HAMAP-
CC Rule:MF_01697}.
CC -!- SIMILARITY: Belongs to the class-I aminoacyl-tRNA synthetase family.
CC MshC subfamily. {ECO:0000256|ARBA:ARBA00007723, ECO:0000256|HAMAP-
CC Rule:MF_01697}.
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DR EMBL; CVQP01000005; CRK51033.1; -; Genomic_DNA.
DR RefSeq; WP_050064280.1; NZ_CVQP01000005.1.
DR AlphaFoldDB; A0A0K2YEQ8; -.
DR STRING; 260936.RHCRD62_20472; -.
DR OrthoDB; 9815130at2; -.
DR Proteomes; UP000044872; Unassembled WGS sequence.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR GO; GO:0035446; F:cysteine-glucosaminylinositol ligase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0010125; P:mycothiol biosynthetic process; IEA:UniProtKB-UniRule.
DR CDD; cd07955; Anticodon_Ia_Cys_like; 1.
DR CDD; cd00672; CysRS_core; 1.
DR Gene3D; 1.20.120.640; Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases; 1.
DR Gene3D; 3.40.50.620; HUPs; 1.
DR HAMAP; MF_01697; MshC; 1.
DR InterPro; IPR024909; Cys-tRNA/MSH_ligase.
DR InterPro; IPR017812; Mycothiol_ligase_MshC.
DR InterPro; IPR014729; Rossmann-like_a/b/a_fold.
DR InterPro; IPR032678; tRNA-synt_1_cat_dom.
DR NCBIfam; TIGR03447; mycothiol_MshC; 1.
DR PANTHER; PTHR10890; CYSTEINYL-TRNA SYNTHETASE; 1.
DR PANTHER; PTHR10890:SF33; L-CYSTEINE:1D-MYO-INOSITOL 2-AMINO-2-DEOXY-ALPHA-D-GLUCOPYRANOSIDE LIGASE; 1.
DR Pfam; PF01406; tRNA-synt_1e; 1.
DR PRINTS; PR00983; TRNASYNTHCYS.
DR SUPFAM; SSF52374; Nucleotidylyl transferase; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW Rule:MF_01697};
KW Ligase {ECO:0000256|ARBA:ARBA00022598, ECO:0000256|HAMAP-Rule:MF_01697};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_01697};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_01697}; Reference proteome {ECO:0000313|Proteomes:UP000044872};
KW Zinc {ECO:0000256|HAMAP-Rule:MF_01697}.
FT DOMAIN 38..337
FT /note="tRNA synthetases class I catalytic"
FT /evidence="ECO:0000259|Pfam:PF01406"
FT MOTIF 45..55
FT /note="'HIGH' region"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01697"
FT MOTIF 187..192
FT /note="'ERGGDP' region"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01697"
FT MOTIF 289..293
FT /note="'KMSKS' region"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01697"
FT BINDING 43..46
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01697"
FT BINDING 43
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01697"
FT BINDING 58
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01697"
FT BINDING 81..83
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01697"
FT BINDING 227
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01697"
FT BINDING 231
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01697"
FT BINDING 249..251
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01697"
FT BINDING 256
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01697"
FT BINDING 283
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01697"
SQ SEQUENCE 413 AA; 45501 MW; 5F13F2B0DF66BEB1 CRC64;
MQSWSDIAVP PVPGQGPPLR LFDTADRRVR PVTPGPTATM YVCGITPYDA THLGHAATYL
AFDLVNRIWR DSGHDVHYVQ NVTDVDDPLF ERAERDGEDW VVLGMRETAL FREDMEALRV
LPPRDYIGAV ESVNEVVEMV GKMLAAGAAY VVDDAEYPDV YFRVDATEQF GYESGYDRET
MERLFAERGG DPARPGKQDP LDALVWRANR PGEPSWPSPF GPGRPGWHVE CSAIALNRIG
SGFDVQGGGS DLIFPHHEFS AAHAESVVCE RRFARHYVHT GMIGLDGEKM SKSRGNLVFV
SKLRGEGVDP MAIRLGLLSG HYRVDRPWTD EVLATAQERV ALWRRAAALP TAQAVEDTIA
RLRQHLADDL DTPKALDALD GWARRAVDHG GHDAAAPGLF SDAVDALLGV SLR
//
