MSHC_BEUC1
ID MSHC_BEUC1 Reviewed; 420 AA.
AC C5BVB1;
DT 02-NOV-2010, integrated into UniProtKB/Swiss-Prot.
DT 28-JUL-2009, sequence version 1.
DT 03-AUG-2022, entry version 63.
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=Bcav_2247;
OS Beutenbergia cavernae (strain ATCC BAA-8 / DSM 12333 / NBRC 16432).
OC Bacteria; Actinobacteria; Micrococcales; Beutenbergiaceae; Beutenbergia.
OX NCBI_TaxID=471853;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-8 / DSM 12333 / NBRC 16432;
RX PubMed=21304633; DOI=10.4056/sigs.1162;
RA Land M., Pukall R., Abt B., Goker M., Rohde M., Glavina Del Rio T.,
RA Tice H., Copeland A., Cheng J.F., Lucas S., Chen F., Nolan M., Bruce D.,
RA Goodwin L., Pitluck S., Ivanova N., Mavromatis K., Ovchinnikova G.,
RA Pati A., Chen A., Palaniappan K., Hauser L., Chang Y.J., Jefferies C.C.,
RA Saunders E., Brettin T., Detter J.C., Han C., Chain P., Bristow J.,
RA Eisen J.A., Markowitz V., Hugenholtz P., Kyrpides N.C., Klenk H.P.,
RA Lapidus A.;
RT "Complete genome sequence of Beutenbergia cavernae type strain (HKI
RT 0122).";
RL Stand. Genomic Sci. 1:21-28(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; CP001618; ACQ80498.1; -; Genomic_DNA.
DR RefSeq; WP_015882738.1; NC_012669.1.
DR AlphaFoldDB; C5BVB1; -.
DR SMR; C5BVB1; -.
DR STRING; 471853.Bcav_2247; -.
DR EnsemblBacteria; ACQ80498; ACQ80498; Bcav_2247.
DR KEGG; bcv:Bcav_2247; -.
DR eggNOG; COG0215; Bacteria.
DR HOGENOM; CLU_013528_0_0_11; -.
DR OMA; HAWPASE; -.
DR OrthoDB; 952207at2; -.
DR Proteomes; UP000007962; 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..420
FT /note="L-cysteine:1D-myo-inositol 2-amino-2-deoxy-alpha-D-
FT glucopyranoside ligase"
FT /id="PRO_0000400431"
FT MOTIF 48..58
FT /note="'HIGH' region"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT MOTIF 194..199
FT /note="'ERGGDP' region"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT MOTIF 297..301
FT /note="'KMSKS' region"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 46..49
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 46
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 61
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 84..86
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 235
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 239
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 257..259
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 264
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
FT BINDING 291
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01697"
SQ SEQUENCE 420 AA; 44406 MW; B2153E76742B6F64 CRC64;
MLAWSSPDVP SLDDPGECPR EVRVRDTATG ELTPAGHDGR ASMYVCGITP YDSTHLGHAN
TYVSFDLLVR AWRDAGLAVT YVQNVTDVDD PLLERAAATG VDWRQLAADQ IELFHHDMVA
LRVVAPEHYI GAVESVPDVV RAVERMLADR AAYRVGAAAD GAGDGDVYAA LSADPRFGSL
GSLDEAEMLE LFGERGGDPD RLGKQAPLDP LLWRVEREEE PSWPGESLGR GRPGWHIECA
TIAARFLGVP FDVQGGGTDL EFPHHEMSES HLRVLTATAH PARAHVHGGM VAYQGHKMSK
SRGNLVFVSE LVASGVDPMA VRLVILAHHY AEDWEYEAGA LGLAEERLAT WRAALAQGSG
PSGADVVAGV RAALANDLDA PGAVAVVDDW AAAAIAGSGD DAAAGATVAR AVDALLGVAL