ID A0A3A5HH39_9ACTN Unreviewed; 408 AA.
AC A0A3A5HH39;
DT 05-DEC-2018, integrated into UniProtKB/TrEMBL.
DT 05-DEC-2018, sequence version 1.
DT 27-MAR-2024, entry version 21.
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 ORFNames=D4739_13850 {ECO:0000313|EMBL:RJS47200.1};
OS Nocardioides cavernaquae.
OC Bacteria; Actinomycetota; Actinomycetes; Propionibacteriales;
OC Nocardioidaceae; Nocardioides.
OX NCBI_TaxID=2321396 {ECO:0000313|EMBL:RJS47200.1, ECO:0000313|Proteomes:UP000276542};
RN [1] {ECO:0000313|Proteomes:UP000276542}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=K1W22B-1 {ECO:0000313|Proteomes:UP000276542};
RA Zhu H.;
RL Submitted (SEP-2018) 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}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:RJS47200.1}.
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DR EMBL; QYRP01000002; RJS47200.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A3A5HH39; -.
DR OrthoDB; 9815130at2; -.
DR Proteomes; UP000276542; 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; 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|HAMAP-Rule:MF_01697};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_01697}; Reference proteome {ECO:0000313|Proteomes:UP000276542};
KW Zinc {ECO:0000256|HAMAP-Rule:MF_01697}.
FT DOMAIN 39..332
FT /note="tRNA synthetases class I catalytic"
FT /evidence="ECO:0000259|Pfam:PF01406"
FT MOTIF 46..56
FT /note="'HIGH' region"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01697"
FT MOTIF 184..189
FT /note="'ERGGDP' region"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01697"
FT MOTIF 285..289
FT /note="'KMSKS' region"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01697"
FT BINDING 44..47
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01697"
FT BINDING 44
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01697"
FT BINDING 59
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01697"
FT BINDING 82..84
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01697"
FT BINDING 224
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01697"
FT BINDING 228
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01697"
FT BINDING 246..248
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01697"
FT BINDING 253
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01697"
FT BINDING 279
FT /ligand="L-cysteinyl-5'-AMP"
FT /ligand_id="ChEBI:CHEBI:144924"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01697"
SQ SEQUENCE 408 AA; 43832 MW; 53587BC3CA59AA8A CRC64;
MRSWSAPEIA HLSVTGPAVR VFDTSTGGLV ETSPAAAGAR MYVCGITPYD ATHMGHAATY
VGLDLLNRAW RNAGHSVTYV QNVTDVDDPL LERATKVSVP WEELALRETQ LFREDMEALR
VLPPDNYVGA VESIPLVITL IQRLQAAGVV YAVDTDLYFS VASDPAFGDV SGLDRDAMMA
VFADRGGDPE RPGKKDPLDC VLWRGEREGE PAWDSPFGAG RPGWHVECTA IALEHLGNGF
DVQAGGSDLS FPHHEMCAGE AQVAEGSRFA QAYVHAGMVG YNGEKMSKSK GNLVFVSELR
RSEVDPAAIR LALLRHHYRS DWEWTNDELW AAHDTLDAWR GALKHGVGAP AGPVVDAVLA
ALANDLDAPA AVAAIDGWVA ATESGDHKDI YAADQVRAVV DAALGIKL
//
