ID A0A221P0R0_9ACTN Unreviewed; 445 AA.
AC A0A221P0R0;
DT 25-OCT-2017, integrated into UniProtKB/TrEMBL.
DT 25-OCT-2017, sequence version 1.
DT 24-JAN-2024, entry version 23.
DE RecName: Full=D-inositol-3-phosphate glycosyltransferase {ECO:0000256|HAMAP-Rule:MF_01695};
DE EC=2.4.1.250 {ECO:0000256|HAMAP-Rule:MF_01695};
DE AltName: Full=N-acetylglucosamine-inositol-phosphate N-acetylglucosaminyltransferase {ECO:0000256|HAMAP-Rule:MF_01695};
DE Short=GlcNAc-Ins-P N-acetylglucosaminyltransferase {ECO:0000256|HAMAP-Rule:MF_01695};
GN Name=mshA {ECO:0000256|HAMAP-Rule:MF_01695,
GN ECO:0000313|EMBL:ASN25734.1};
GN ORFNames=LK07_18885 {ECO:0000313|EMBL:ASN25734.1};
OS Streptomyces pluripotens.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces.
OX NCBI_TaxID=1355015 {ECO:0000313|EMBL:ASN25734.1, ECO:0000313|Proteomes:UP000031501};
RN [1] {ECO:0000313|EMBL:ASN25734.1, ECO:0000313|Proteomes:UP000031501}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MUSC 137 {ECO:0000313|EMBL:ASN25734.1,
RC ECO:0000313|Proteomes:UP000031501};
RA Ser H.-L., Lee L.-H.;
RT "Genome sequence of Streptomyces pluripotens MUSC 137T.";
RL Submitted (JUL-2017) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the transfer of a N-acetyl-glucosamine moiety to
CC 1D-myo-inositol 3-phosphate to produce 1D-myo-inositol 2-acetamido-2-
CC deoxy-glucopyranoside 3-phosphate in the mycothiol biosynthesis
CC pathway. {ECO:0000256|HAMAP-Rule:MF_01695}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=1D-myo-inositol 3-phosphate + UDP-N-acetyl-alpha-D-glucosamine
CC = 1D-myo-inositol 2-acetamido-2-deoxy-alpha-D-glucopyranoside 3-
CC phosphate + H(+) + UDP; Xref=Rhea:RHEA:26188, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:57705, ChEBI:CHEBI:58223, ChEBI:CHEBI:58401,
CC ChEBI:CHEBI:58892; EC=2.4.1.250;
CC Evidence={ECO:0000256|ARBA:ARBA00000935, ECO:0000256|HAMAP-
CC Rule:MF_01695};
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_01695}.
CC -!- SIMILARITY: Belongs to the glycosyltransferase group 1 family. MshA
CC subfamily. {ECO:0000256|ARBA:ARBA00008449, ECO:0000256|HAMAP-
CC Rule:MF_01695}.
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DR EMBL; CP022433; ASN25734.1; -; Genomic_DNA.
DR RefSeq; WP_039654728.1; NZ_CP022433.1.
DR AlphaFoldDB; A0A221P0R0; -.
DR STRING; 1355015.LK06_017725; -.
DR KEGG; splu:LK06_017725; -.
DR OrthoDB; 9810929at2; -.
DR Proteomes; UP000031501; Chromosome.
DR GO; GO:0008375; F:acetylglucosaminyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0102710; F:D-inositol-3-phosphate glycosyltransferase activity; IEA:UniProtKB-EC.
DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0010125; P:mycothiol biosynthetic process; IEA:UniProtKB-UniRule.
DR CDD; cd03800; GT4_sucrose_synthase; 1.
DR Gene3D; 3.40.50.2000; Glycogen Phosphorylase B; 2.
DR HAMAP; MF_01695; MshA; 1.
DR InterPro; IPR001296; Glyco_trans_1.
DR InterPro; IPR028098; Glyco_trans_4-like_N.
DR InterPro; IPR017814; Mycothiol_biosynthesis_MshA.
DR NCBIfam; TIGR03449; mycothiol_MshA; 1.
DR PANTHER; PTHR45947; SULFOQUINOVOSYL TRANSFERASE SQD2; 1.
DR PANTHER; PTHR45947:SF3; SULFOQUINOVOSYL TRANSFERASE SQD2; 1.
DR Pfam; PF13579; Glyco_trans_4_4; 1.
DR Pfam; PF00534; Glycos_transf_1; 1.
DR SUPFAM; SSF53756; UDP-Glycosyltransferase/glycogen phosphorylase; 1.
PE 3: Inferred from homology;
KW Glycosyltransferase {ECO:0000256|ARBA:ARBA00022676, ECO:0000256|HAMAP-
KW Rule:MF_01695};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|HAMAP-Rule:MF_01695};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_01695}; Reference proteome {ECO:0000313|Proteomes:UP000031501};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_01695}.
FT DOMAIN 47..222
FT /note="Glycosyltransferase subfamily 4-like N-terminal"
FT /evidence="ECO:0000259|Pfam:PF13579"
FT DOMAIN 236..410
FT /note="Glycosyl transferase family 1"
FT /evidence="ECO:0000259|Pfam:PF00534"
FT BINDING 34
FT /ligand="1D-myo-inositol 3-phosphate"
FT /ligand_id="ChEBI:CHEBI:58401"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01695"
FT BINDING 40..41
FT /ligand="UDP-N-acetyl-alpha-D-glucosamine"
FT /ligand_id="ChEBI:CHEBI:57705"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01695"
FT BINDING 45..50
FT /ligand="1D-myo-inositol 3-phosphate"
FT /ligand_id="ChEBI:CHEBI:58401"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01695"
FT BINDING 48
FT /ligand="UDP-N-acetyl-alpha-D-glucosamine"
FT /ligand_id="ChEBI:CHEBI:57705"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01695"
FT BINDING 103
FT /ligand="1D-myo-inositol 3-phosphate"
FT /ligand_id="ChEBI:CHEBI:58401"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01695"
FT BINDING 136
FT /ligand="1D-myo-inositol 3-phosphate"
FT /ligand_id="ChEBI:CHEBI:58401"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01695"
FT BINDING 160
FT /ligand="1D-myo-inositol 3-phosphate"
FT /ligand_id="ChEBI:CHEBI:58401"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01695"
FT BINDING 180
FT /ligand="1D-myo-inositol 3-phosphate"
FT /ligand_id="ChEBI:CHEBI:58401"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01695"
FT BINDING 255
FT /ligand="UDP-N-acetyl-alpha-D-glucosamine"
FT /ligand_id="ChEBI:CHEBI:57705"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01695"
FT BINDING 260
FT /ligand="UDP-N-acetyl-alpha-D-glucosamine"
FT /ligand_id="ChEBI:CHEBI:57705"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01695"
FT BINDING 321
FT /ligand="UDP-N-acetyl-alpha-D-glucosamine"
FT /ligand_id="ChEBI:CHEBI:57705"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01695"
FT BINDING 330
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01695"
FT BINDING 331
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01695"
FT BINDING 333
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01695"
FT BINDING 343
FT /ligand="UDP-N-acetyl-alpha-D-glucosamine"
FT /ligand_id="ChEBI:CHEBI:57705"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01695"
FT BINDING 351
FT /ligand="UDP-N-acetyl-alpha-D-glucosamine"
FT /ligand_id="ChEBI:CHEBI:57705"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01695"
FT BINDING 357
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01695"
SQ SEQUENCE 445 AA; 47474 MW; 4B998ABC7A40D7A0 CRC64;
MSQYVSRLGR HSSPVGPRLR LHRRPRRVAM LSVHTSPLHQ PGTGDAGGMN VYIVELAQRL
AAINIEVEIF TRATAGGLPP AVELAPGVLV RHIDAGPYEG LAKEELPAQL CAFTHGVMQA
WAGHRPGHYD LVHSHYWLSG HVGWLAAQRW GVPLVHAMHT MAKVKNANLA DGDTPEPPAR
VIGETQIVAA ADRLIANTAE EGDELVRHYA ADPAKVAVVH PGVNLNRFRP ADGRAAARAR
LGLPQDALIP LFAGRIQPLK APDVLLRAVA VLLDGHPELR SRVLVPVVGG PSGSGLAKPE
GLQKLAARLG IADVVRFRPP VGQEQLADWF RAASVLVMPS YSESFGLVAI EAQAAGTPVL
AASVGGLPVA VRDGDTGFLV DGHDPADYAR VLRRFADEPS LPVRMGRSAA RHAQSFGWDT
AAAATADVYT AAAQSHRRRV RSHHG
//
