General Information of Target

Target ID LDTP09774
Target Name GPI mannosyltransferase 3 (PIGB)
Gene Name PIGB
Gene ID 9488
Synonyms
GPI mannosyltransferase 3; EC 2.4.1.-; GPI mannosyltransferase III; GPI-MT-III; Phosphatidylinositol-glycan biosynthesis class B protein; PIG-B
3D Structure
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2D Sequence (FASTA)
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3D Structure (PDB)
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Sequence
MRVAGAAKLVVAVAVFLLTFYVISQVFEIKMDASLGNLFARSALDTAARSTKPPRYKCGI
SKACPEKHFAFKMASGAANVVGPKICLEDNVLMSGVKNNVGRGINVALANGKTGEVLDTK
YFDMWGGDVAPFIEFLKAIQDGTIVLMGTYDDGATKLNDEARRLIADLGSTSITNLGFRD
NWVFCGGKGIKTKSPFEQHIKNNKDTNKYEGWPEVVEMEGCIPQKQD
Target Bioclass
Enzyme
Family
Glycosyltransferase 22 family, PIGB subfamily
Subcellular location
Endoplasmic reticulum membrane
Function Mannosyltransferase involved in glycosylphosphatidylinositol-anchor biosynthesis. Transfers the third alpha-1,2-mannose to Man2-GlcN-acyl-PI during GPI precursor assembly.
Uniprot ID
Q92521
Ensemble ID
ENST00000164305.10
HGNC ID
HGNC:8959

Probe(s) Labeling This Target

ABPP Probe
Click To Hide/Show 3 Probe Related to This Target
Probe name Structure Binding Site(Ratio) Interaction ID Ref
DBIA
 Probe Info 
C248(6.66)  LDD3332  [1]
IPM
 Probe Info 
C248(0.75)  LDD1702  [2]
TFBX
 Probe Info 
N.A.  LDD0027  [3]

Competitor(s) Related to This Target

Competitor ID Name Cell line Binding Site(Ratio) Interaction ID Ref
 LDCM0213  Electrophilic fragment 2 MDA-MB-231 C248(0.75)  LDD1702  [2]
 LDCM0022  KB02 A2058 C248(2.38)  LDD2253  [1]
 LDCM0023  KB03 A2058 C248(2.55)  LDD2670  [1]
 LDCM0024  KB05 MKN45 C248(6.66)  LDD3332  [1]

References

1 DrugMap: A quantitative pan-cancer analysis of cysteine ligandability. Cell. 2024 May 9;187(10):2536-2556.e30. doi: 10.1016/j.cell.2024.03.027. Epub 2024 Apr 22.
Mass spectrometry data entry: PXD047840
2 Nucleophilic covalent ligand discovery for the cysteine redoxome. Nat Chem Biol. 2023 Nov;19(11):1309-1319. doi: 10.1038/s41589-023-01330-5. Epub 2023 May 29.
Mass spectrometry data entry: PXD039908 , PXD029761
3 Chemoproteomic Profiling by Cysteine Fluoroalkylation Reveals Myrocin G as an Inhibitor of the Nonhomologous End Joining DNA Repair Pathway. J Am Chem Soc. 2021 Dec 8;143(48):20332-20342. doi: 10.1021/jacs.1c09724. Epub 2021 Nov 24.
Mass spectrometry data entry: PXD029255