MSHC_STRBB
ID MSHC_STRBB Reviewed; 409 AA.
AC D7BSS4;
DT 02-NOV-2010, integrated into UniProtKB/Swiss-Prot.
DT 10-AUG-2010, sequence version 1.
DT 03-AUG-2022, entry version 57.
DE RecName: Full=L-cysteine:1D-myo-inositol 2-amino-2-deoxy-alpha-D-glucopyranoside ligase {ECO:0000255|HAMAP-Rule:MF_01697};
DE Short=L-Cys:GlcN-Ins ligase {ECO:0000255|HAMAP-Rule:MF_01697};
DE EC=6.3.1.13 {ECO:0000255|HAMAP-Rule:MF_01697};
DE AltName: Full=Mycothiol ligase {ECO:0000255|HAMAP-Rule:MF_01697};
DE Short=MSH ligase {ECO:0000255|HAMAP-Rule:MF_01697};
GN Name=mshC {ECO:0000255|HAMAP-Rule:MF_01697}; OrderedLocusNames=SBI_08453;
OS Streptomyces bingchenggensis (strain BCW-1).
OC Bacteria; Actinobacteria; Streptomycetales; Streptomycetaceae;
OC Streptomyces.
OX NCBI_TaxID=749414;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=BCW-1;
RX PubMed=20581206; DOI=10.1128/jb.00596-10;
RA Wang X.J., Yan Y.J., Zhang B., An J., Wang J.J., Tian J., Jiang L.,
RA Chen Y.H., Huang S.X., Yin M., Zhang J., Gao A.L., Liu C.X., Zhu Z.X.,
RA Xiang W.S.;
RT "Genome sequence of the milbemycin-producing bacterium Streptomyces
RT bingchenggensis.";
RL J. Bacteriol. 192:4526-4527(2010).
CC -!- FUNCTION: Catalyzes the ATP-dependent condensation of GlcN-Ins and L-
CC cysteine to form L-Cys-GlcN-Ins. {ECO:0000255|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; Evidence={ECO:0000255|HAMAP-
CC Rule:MF_01697};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01697};
CC Note=Binds 1 zinc ion per subunit. {ECO:0000255|HAMAP-Rule:MF_01697};
CC -!- SUBUNIT: Monomer. {ECO:0000255|HAMAP-Rule:MF_01697}.
CC -!- SIMILARITY: Belongs to the class-I aminoacyl-tRNA synthetase family.
CC MshC subfamily. {ECO:0000255|HAMAP-Rule:MF_01697}.
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DR EMBL; CP002047; ADI11571.1; -; Genomic_DNA.
DR RefSeq; WP_014181020.1; NC_016582.1.
DR AlphaFoldDB; D7BSS4; -.
DR SMR; D7BSS4; -.
DR STRING; 749414.SBI_08453; -.
DR PRIDE; D7BSS4; -.
DR EnsemblBacteria; ADI11571; ADI11571; SBI_08453.
DR KEGG; sbh:SBI_08453; -.
DR PATRIC; fig|749414.3.peg.8698; -.
DR eggNOG; COG0215; Bacteria.
DR HOGENOM; CLU_013528_0_0_11; -.
DR OMA; HAWPASE; -.
DR OrthoDB; 952207at2; -.
DR Proteomes; UP000000377; Chromosome.
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 Gene3D; 3.40.50.620; -; 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 PANTHER; PTHR10890; PTHR10890; 1.
DR Pfam; PF01406; tRNA-synt_1e; 1.
DR PRINTS; PR00983; TRNASYNTHCYS.
DR TIGRFAMs; TIGR03447; mycothiol_MshC; 1.
PE 3: Inferred from homology;
KW ATP-binding; Ligase; Metal-binding; Nucleotide-binding; Reference proteome;
KW Zinc.
FT CHAIN 1..409
FT /note="L-cysteine:1D-myo-inositol 2-amino-2-deoxy-alpha-D-
FT glucopyranoside ligase"
FT /id="PRO_0000400486"
FT MOTIF 45..55
FT /note="'HIGH' region"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT MOTIF 183..188
FT /note="'ERGGDP' region"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT MOTIF 286..290
FT /note="'KMSKS' region"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 43..46
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 43
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 58
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 81..83
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 224
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 228
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 246..248
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 253
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 280
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
SQ SEQUENCE 409 AA; 44033 MW; A0179CD1C2568735 CRC64;
MYAWPASEVP ALPGRGRDLR IHDTATGGPL TLDPGPVARI YVCGITPYDA THMGHAATYN
AFDLVQRVWL DTKRQVHYVQ NVTDIDDPLL ERAVANGDDW TALAERETTL FREDMTALRM
LPPRHYIGAV EAIPGIVPLV ERLRDAGAAY ELEGDIYFSV ESDPSFGGVS GLDAEAMRLL
SAERGGDPDR PGKKNPLDPM LWLAARPGEP SWDGGSLGRG RPGWHIECVA IALDHLGMGF
DVQGGGSDLA FPHHEMGASH AQVLTGERPF AKAYVHAGMV ALDGEKMSKS KGNLVFVSAL
RRDGVDPAAI RLALLAHHYR EDWEWTDGVL QEAQERLARW RAAVSRPDGP PADALLDEIR
TALANDLDAP SALAAVDRWA SAQASEGGTD EGAPGLVSRA VDALLGVAL
