MSHC_NOCSJ
ID MSHC_NOCSJ Reviewed; 397 AA.
AC A1SJZ6;
DT 02-NOV-2010, integrated into UniProtKB/Swiss-Prot.
DT 06-FEB-2007, sequence version 1.
DT 03-AUG-2022, entry version 81.
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=Noca_2628;
OS Nocardioides sp. (strain ATCC BAA-499 / JS614).
OC Bacteria; Actinobacteria; Propionibacteriales; Nocardioidaceae;
OC Nocardioides.
OX NCBI_TaxID=196162;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-499 / JS614;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA Thompson L.S., Brettin T., Bruce D., Han C., Tapia R., Schmutz J.,
RA Larimer F., Land M., Hauser L., Kyrpides N., Kim E., Mattes T., Gossett J.,
RA Richardson P.;
RT "Complete sequence of chromosome 1 of Nocardioides sp. JS614.";
RL Submitted (DEC-2006) 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: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; CP000509; ABL82131.1; -; Genomic_DNA.
DR AlphaFoldDB; A1SJZ6; -.
DR SMR; A1SJZ6; -.
DR STRING; 196162.Noca_2628; -.
DR EnsemblBacteria; ABL82131; ABL82131; Noca_2628.
DR KEGG; nca:Noca_2628; -.
DR eggNOG; COG0215; Bacteria.
DR HOGENOM; CLU_013528_0_0_11; -.
DR OMA; HAWPASE; -.
DR Proteomes; UP000000640; 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..397
FT /note="L-cysteine:1D-myo-inositol 2-amino-2-deoxy-alpha-D-
FT glucopyranoside ligase"
FT /id="PRO_0000400472"
FT MOTIF 27..37
FT /note="'HIGH' region"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT MOTIF 165..170
FT /note="'ERGGDP' region"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT MOTIF 267..271
FT /note="'KMSKS' region"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 25..28
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 25
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 40
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 63..65
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 205
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 209
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 227..229
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 234
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 261
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
SQ SEQUENCE 397 AA; 43247 MW; 5AE973D73AE21FBD CRC64;
MALHDTPSAR KVTTTPDGPA RLYVCGITPY DATHLGHAST YVAFDLLNRA WRNAGHDVTY
VQNVTDVDDP LLERAAKVHV DWVELAERET ELFRQDMAAL RVIPPDHYVG AVESIPLVIE
LIGRLETAGA IYRVEDDLYF SVTADPAFGA ESGWDRERML EIYPERGGDP DRPGKKDPLD
CVVWRGRREG EPSWESPWGP GRPGWHVECT AIAQRHLGGA FDVQGGGSDL VFPHHEMCAG
HAQVAVPGTP FAQVYSHGGM VGYDGEKMSK SRGNLVFVSA LRNSDVDPMA IRLALLRHHF
RSDWEWTDDQ LWVAVDDIAR WRKALSLGAG APAAPVIDEV LAALADDLDA PRATAAIDRW
VAATLGTAGL ADTTDPDAAA RLLAALDAAL GLALWLS
