MolNFT v1 · #113574 · protein
Crystal structure of the inactive form of galnac-T2 in complex with the glycopeptide MUC5AC-CYS13
5AJN · Polypeptide N-acetylgalactosaminyltransferase 2: “Crystal structure of the inactive form of galnac-T2 in complex with the glycopeptide MUC5AC-CYS13”. X-ray diffraction, 2 ligands (A2G, SO4), 4 pockets (best druggability 0.81).…
- PDB
- 5AJN
- Type
- protein
- Length
- 510 residues
- Chains
- 2
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Polypeptide N-acetylgalactosaminyltransferase 2; Mucin
- EC
- 2.4.1.41
- UniProt
- Q10471, Q14886
- Ligands
- A2G, SO4
- Pockets
- 4 · best druggability 0.81
Structure
x-ray diffraction · 2 distinct chains · 29% helix, 24% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Polypeptide N-acetylgalactosaminyltransferase 2 (EC 2.4.1.41) | protein | 495 | 30% helix, 25% strand | Q10471 |
| P | Mucin | protein | 15 | 0% helix, 7% strand | Q14886 |
Ligands and binding sites
- A2G · 2-acetamido-2-deoxy-alpha-D-galactopyranose · sugar · chains A, P
- SO4 · Sulfate ion · ion · 12 copies · chains A, P
- EDO · 1,2-ethanediol · additive · 14 copies · chains A, P
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
4 pockets found on a 1 Å grid, 2 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 773 | 0.81 | 0.85 | 109 | SO4, EDO, A2G |
| 2 | 65 | 0.64 | 0.93 | 28 | EDO |
| 3 | 105 | 0.48 | 0.81 | 28 | EDO |
| 4 | 76 | 0.39 | 0.78 | 16 | empty |
Interfaces
1 interface between chains.
- A–P · 954 Ų buried · 9 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 5 disulfide, 1 glycan (disulfide, glycosylation).
Compared structures
- 5AJN · Crystal structure of the inactive form of GalNAc-T2 in complex with the glycopeptide… · the same entry in another collection · chain A against A, TM-score 1.00
- Q10471 · AlphaFold monomer V2.0 prediction for polypeptide N-acetylgalactosaminyltransferase 2… · a predicted model of the same protein · chain A against A, TM-score 0.97
Analyse
- Open in the research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides and crosslinks on the 3D structure
- Every structure of UniProt Q10471
- Every structure of UniProt Q14886
- Elsewhere: RCSB PDB 5AJN · PDBe 5AJN · UniProt Q10471 · UniProt Q14886
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