MSHB_SACVD
ID MSHB_SACVD Reviewed; 268 AA.
AC C7MY07;
DT 02-NOV-2010, integrated into UniProtKB/Swiss-Prot.
DT 13-OCT-2009, sequence version 1.
DT 03-AUG-2022, entry version 58.
DE RecName: Full=1D-myo-inositol 2-acetamido-2-deoxy-alpha-D-glucopyranoside deacetylase {ECO:0000255|HAMAP-Rule:MF_01696};
DE Short=GlcNAc-Ins deacetylase {ECO:0000255|HAMAP-Rule:MF_01696};
DE EC=3.5.1.103 {ECO:0000255|HAMAP-Rule:MF_01696};
DE AltName: Full=N-acetyl-1-D-myo-inositol 2-amino-2-deoxy-alpha-D-glucopyranoside deacetylase;
GN Name=mshB {ECO:0000255|HAMAP-Rule:MF_01696}; OrderedLocusNames=Svir_31100;
OS Saccharomonospora viridis (strain ATCC 15386 / DSM 43017 / JCM 3036 / NBRC
OS 12207 / P101).
OC Bacteria; Actinobacteria; Pseudonocardiales; Pseudonocardiaceae;
OC Saccharomonospora.
OX NCBI_TaxID=471857;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 15386 / DSM 43017 / JCM 3036 / NBRC 12207 / P101;
RX PubMed=21304650; DOI=10.4056/sigs.20263;
RA Pati A., Sikorski J., Nolan M., Lapidus A., Copeland A.,
RA Glavina Del Rio T., Lucas S., Chen F., Tice H., Pitluck S., Cheng J.F.,
RA Chertkov O., Brettin T., Han C., Detter J.C., Kuske C., Bruce D.,
RA Goodwin L., Chain P., D'haeseleer P., Chen A., Palaniappan K., Ivanova N.,
RA Mavromatis K., Mikhailova N., Rohde M., Tindall B.J., Goker M., Bristow J.,
RA Eisen J.A., Markowitz V., Hugenholtz P., Kyrpides N.C., Klenk H.P.;
RT "Complete genome sequence of Saccharomonospora viridis type strain
RT (P101).";
RL Stand. Genomic Sci. 1:141-149(2009).
CC -!- FUNCTION: Catalyzes the deacetylation of 1D-myo-inositol 2-acetamido-2-
CC deoxy-alpha-D-glucopyranoside (GlcNAc-Ins) in the mycothiol
CC biosynthesis pathway. {ECO:0000255|HAMAP-Rule:MF_01696}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=1D-myo-inositol 2-acetamido-2-deoxy-alpha-D-glucopyranoside +
CC H2O = 1D-myo-inositol 2-amino-2-deoxy-alpha-D-glucopyranoside +
CC acetate; Xref=Rhea:RHEA:26180, ChEBI:CHEBI:15377, ChEBI:CHEBI:30089,
CC ChEBI:CHEBI:52442, ChEBI:CHEBI:58886; EC=3.5.1.103;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01696};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01696};
CC Note=Binds 1 zinc ion per subunit. {ECO:0000255|HAMAP-Rule:MF_01696};
CC -!- SIMILARITY: Belongs to the MshB deacetylase family. {ECO:0000255|HAMAP-
CC Rule:MF_01696}.
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DR EMBL; CP001683; ACU98085.1; -; Genomic_DNA.
DR AlphaFoldDB; C7MY07; -.
DR SMR; C7MY07; -.
DR STRING; 471857.Svir_31100; -.
DR EnsemblBacteria; ACU98085; ACU98085; Svir_31100.
DR KEGG; svi:Svir_31100; -.
DR eggNOG; COG2120; Bacteria.
DR HOGENOM; CLU_049311_2_1_11; -.
DR OMA; YWNRVPR; -.
DR Proteomes; UP000000841; Chromosome.
DR GO; GO:0035595; F:N-acetylglucosaminylinositol deacetylase activity; IEA:UniProtKB-EC.
DR GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0010125; P:mycothiol biosynthetic process; IEA:UniProtKB-UniRule.
DR Gene3D; 3.40.50.10320; -; 1.
DR HAMAP; MF_01696; MshB; 1.
DR InterPro; IPR003737; GlcNAc_PI_deacetylase-related.
DR InterPro; IPR024078; LmbE-like_dom_sf.
DR InterPro; IPR017810; Mycothiol_biosynthesis_MshB.
DR PANTHER; PTHR12993; PTHR12993; 1.
DR Pfam; PF02585; PIG-L; 1.
DR SUPFAM; SSF102588; SSF102588; 1.
DR TIGRFAMs; TIGR03445; mycothiol_MshB; 1.
PE 3: Inferred from homology;
KW Hydrolase; Metal-binding; Reference proteome; Zinc.
FT CHAIN 1..268
FT /note="1D-myo-inositol 2-acetamido-2-deoxy-alpha-D-
FT glucopyranoside deacetylase"
FT /id="PRO_0000400217"
FT BINDING 7
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01696"
FT BINDING 10
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01696"
FT BINDING 142
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01696"
SQ SEQUENCE 268 AA; 29034 MW; A3DA0BDA014E04F3 CRC64;
MLFVHAHPDD ESITTGGTIA RYSAEGAHVT VVTCTLGEEG EIIPAELEQL GAWAGDQLGG
YRIGELAEAG VALGWSEHRF LGGPGRWRDS GMAGVESNEH PRAFVRGAMS EQVEQLLAVF
DEVRPEVVVT YDPNGGYGHP DHIRAHRVAT AAVERSEGVR RLFYTVSSRE ATTRGLAALR
RDERVPFRVP ADEELPTTPD ADITTRVDIS AYREVKFAAL RAHRTQITVG PDCFALSNGI
AQPVPTTEFF VLARGPKEGA DTDLFGGL
