SMTL ID : 6mlb.1 (1 other biounit)

Crystal structure of the holo retinal-bound domain-swapped dimer Q108K:K40L:T51F mutant of human cellular retinol binding protein II

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.15 Å

Oligo State

homo-dimer

Ligands

2 x ACT: ACETATE ION(Non-functional Binders)

ACT.1: 6 residues within 4Å: Chain A: Y.19 Chain B: Q.97, R.104, G.105, W.106 Ligands: RET.4 3 PLIP interactions: 2 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:Q.97, A:Y.19 Salt bridges: B:R.104 ACT.2: 8 residues within 4Å: Chain B: V.94, C.95, V.96, N.103, G.105, W.106, K.107, T.120 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:V.94, B:V.96 Hydrogen bonds: B:N.103, B:T.120 Salt bridges: B:K.107

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.3: 4 residues within 4Å: Chain B: V.62, D.63, F.70, D.71 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:D.61, B:D.63

1 x RET: RETINAL(Covalent)

RET.4: 13 residues within 4Å: Chain A: F.16, Y.19, A.33, Q.38, F.51, T.53 Chain B: Y.60, L.77, W.106, K.108, L.117, L.119 Ligands: ACT.1 13 PLIP interactions: 10 interactions with chain B, 3 interactions with chain A Hydrophobic interactions: B:Y.60, B:Y.60, B:L.77, B:L.77, B:W.106, B:W.106, B:K.108, B:L.117, B:L.117, B:L.119, A:F.16, A:A.33, A:F.51

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ghanbarpour, A. et al., Engineering the hCRBPII Domain-Swapped Dimer into a New Class of Protein Switches. J.Am.Chem.Soc. (2019)

Release Date

2019-10-16

Peptides

Retinol-binding protein 2: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
C

Retinol-binding protein 2

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