SMTL ID : 6uzk.1

Crystal Structure of the Ternary Complex of KRIT1 bound to both the Rap1 GTPase and HKi6

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.92 Å

Oligo State

hetero-1-1-mer

Ligands

1 x QMA: 2-hydroxy-6-methoxynaphthalene-1-carbaldehyde(Non-covalent)

QMA.1: 9 residues within 4Å: Chain A: W.50, L.58, Q.59, K.61, V.98, A.224, K.306, L.307, K.310 8 PLIP interactions: 8 interactions with chain A Hydrophobic interactions: A:Q.59, A:V.98, A:L.307 Hydrogen bonds: A:Q.59, A:K.61, A:K.310, A:K.310 pi-Cation interactions: A:K.61

1 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 3 residues within 4Å: Chain B: S.17, T.35 Ligands: GNP.3 4 PLIP interactions: 2 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:S.17, B:T.35, H2O.3, H2O.3

1 x GNP: PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER(Non-covalent)

GNP.3: 26 residues within 4Å: Chain B: S.11, G.12, G.13, V.14, G.15, K.16, S.17, A.18, F.28, V.29, E.30, K.31, Y.32, P.34, T.35, T.58, A.59, G.60, N.116, K.117, D.119, L.120, S.147, A.148, K.149 Ligands: MG.2 24 PLIP interactions: 23 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:G.13, B:V.14, B:G.15, B:K.16, B:K.16, B:K.16, B:S.17, B:A.18, B:V.29, B:Y.32, B:T.35, B:G.60, B:N.116, B:K.117, B:K.117, B:A.148, B:K.149 Water bridges: B:S.17, B:T.35, B:T.35, A:R.38 Salt bridges: B:D.119 pi-Stacking: B:F.28, B:F.28

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lopez-Ramirez, M.A. et al., Inhibition of the HEG1-KRIT1 interaction increases KLF4 and KLF2 expression in endothelial cells. Faseb Bioadv (2021)

Release Date

2020-11-18

Peptides

Krev interaction trapped protein 1: A
Ras-related protein Rap-1b: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Krev interaction trapped protein 1

Ras-related protein Rap-1b

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