SMTL ID : 6kzb.2 (1 other biounit)

Transglutaminase2 complexed with calcium

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.55 Å

Oligo State

homo-dimer

Ligands

4 x CA: CALCIUM ION(Non-covalent)

CA.1: 3 residues within 4Å: Chain A: N.498, E.539 Chain B: S.541 No protein-ligand interaction detected (PLIP) CA.2: 4 residues within 4Å: Chain A: Y.159, R.296, W.354, E.437 No protein-ligand interaction detected (PLIP) CA.4: 2 residues within 4Å: Chain B: N.498, F.537 No protein-ligand interaction detected (PLIP) CA.5: 2 residues within 4Å: Chain B: R.296, E.437 No protein-ligand interaction detected (PLIP)

2 x GDP: GUANOSINE-5'-DIPHOSPHATE(Covalent)(Non-covalent)

GDP.3: 10 residues within 4Å: Chain A: F.174, R.476, R.478, V.479, G.480, S.482, M.483, R.580, L.582, Y.583 11 PLIP interactions: 11 interactions with chain A Hydrogen bonds: A:S.482, A:M.483, A:R.580, A:R.580, A:Y.583, A:Y.583, A:Y.583 Salt bridges: A:R.476, A:R.580 pi-Stacking: A:F.174 pi-Cation interactions: A:F.174 GDP.6: 11 residues within 4Å: Chain B: F.174, R.476, R.478, V.479, G.480, S.482, R.580, D.581, L.582, Y.583, E.585 10 PLIP interactions: 10 interactions with chain B Hydrogen bonds: B:V.479, B:G.480, B:R.580, B:Y.583, B:Y.583, B:Y.583, B:E.585 Salt bridges: B:R.476, B:R.580, B:R.580

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Jeong, E.M. et al., Competitive Binding of Magnesium to Calcium Binding Sites Reciprocally Regulates Transamidase and GTP Hydrolysis Activity of Transglutaminase 2. Int J Mol Sci (2020)

Release Date

2020-12-09

Peptides

Protein-glutamine gamma-glutamyltransferase 2: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
C

Protein-glutamine gamma-glutamyltransferase 2

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