MSHC_STANL
ID MSHC_STANL Reviewed; 431 AA.
AC D3Q598;
DT 02-NOV-2010, integrated into UniProtKB/Swiss-Prot.
DT 20-APR-2010, sequence version 1.
DT 03-AUG-2022, entry version 61.
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=Snas_4502;
OS Stackebrandtia nassauensis (strain DSM 44728 / CIP 108903 / NRRL B-16338 /
OS NBRC 102104 / LLR-40K-21).
OC Bacteria; Actinobacteria; Glycomycetales; Glycomycetaceae; Stackebrandtia.
OX NCBI_TaxID=446470;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 44728 / CIP 108903 / NRRL B-16338 / NBRC 102104 / LLR-40K-21;
RX PubMed=21304662; DOI=10.4056/sigs.47643;
RA Munk C., Lapidus A., Copeland A., Jando M., Mayilraj S.,
RA Glavina Del Rio T., Nolan M., Chen F., Lucas S., Tice H., Cheng J.F.,
RA Han C., Detter J.C., Bruce D., Goodwin L., Chain P., Pitluck S., Goker M.,
RA Ovchinikova G., Pati A., Ivanova N., Mavromatis K., Chen A.,
RA Palaniappan K., Land M., Hauser L., Chang Y.J., Jeffries C.D., Bristow J.,
RA Eisen J.A., Markowitz V., Hugenholtz P., Kyrpides N.C., Klenk H.P.;
RT "Complete genome sequence of Stackebrandtia nassauensis type strain (LLR-
RT 40K-21).";
RL Stand. Genomic Sci. 1:292-299(2009).
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; CP001778; ADD44147.1; -; Genomic_DNA.
DR RefSeq; WP_013019718.1; NC_013947.1.
DR AlphaFoldDB; D3Q598; -.
DR SMR; D3Q598; -.
DR STRING; 446470.Snas_4502; -.
DR EnsemblBacteria; ADD44147; ADD44147; Snas_4502.
DR KEGG; sna:Snas_4502; -.
DR eggNOG; COG0215; Bacteria.
DR HOGENOM; CLU_013528_0_0_11; -.
DR OMA; HAWPASE; -.
DR OrthoDB; 952207at2; -.
DR Proteomes; UP000000844; 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..431
FT /note="L-cysteine:1D-myo-inositol 2-amino-2-deoxy-alpha-D-
FT glucopyranoside ligase"
FT /id="PRO_0000400485"
FT MOTIF 46..56
FT /note="'HIGH' region"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT MOTIF 187..192
FT /note="'ERGGDP' region"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT MOTIF 289..293
FT /note="'KMSKS' region"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 44..47
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 44
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 59
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 82..84
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 227
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 231
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 249..251
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 256
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 283
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
SQ SEQUENCE 431 AA; 47247 MW; 06B377F41A54B1CE CRC64;
MESWQAPDLK RLGGQAVPLR LYDTARQAVH ATEPHPDGAR MYVCGITPYD ATHLGHAATM
VTFDVINRVW RDNGHDVAYV QNVTDVDEPL FERAERDGED WVVLGMRETA LFREDMEALS
IIPPKAYVGA VESMPTIAAL VERLVDAGAA YTVDDGTGDV YFPVTATEGF GSESHYDRDT
MLRFFGERGG DPDRSGKRDP LDALLWRGER EGEPSWESRL GRGRPGWHIE CAAIALAHLG
DRIDVNGGGN DLIFPHHEFS AAHAEAATKA VPFAKHYVHA GMIGLDGEKM SKSRGNLVFV
SRLRADGVDP AVIRLALLDG HYREDRPWTA ELHAAAADRL ARWREAMGMS SGASGTTTAQ
RVRERLSDDL DTPGALRAVD EWAAASLTGA HHDAHAPALV RDTVESLLGV TLLRAVFRQR
TTSATTLDRS R
