SMTL ID : 4pz3.1

High-resolution crystal structure of the human CD44 hyaluronan binding domain complex with undefined peptides

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.08 Å

Oligo State

homo-dimer

Ligands

1 x ALA- ALA- ALA- VAL: Undefined peptides modeled as AAAV(Non-covalent)

ALA-ALA-ALA-VAL.1: 7 residues within 4Å: Chain B: F.17, F.39, N.40, N.103, S.105, V.115, P.119 10 PLIP interactions: 10 interactions with chain B Hydrophobic interactions: B:F.17, B:F.17, B:F.39, B:N.103, B:V.115 Hydrogen bonds: B:N.40, B:N.103, B:N.103, B:S.105 Water bridges: B:S.105

1 x PEG: DI(HYDROXYETHYL)ETHER(Non-functional Binders)

PEG.2: 7 residues within 4Å: Chain A: E.20, G.23, R.24, R.61 Chain B: E.20, G.23, R.61 2 PLIP interactions: 1 interactions with chain A, 1 interactions with chain B Water bridges: A:R.61, B:R.61

2 x EDO: 1,2-ETHANEDIOL(Non-functional Binders)

EDO.3: 7 residues within 4Å: Chain A: Y.25, C.60, R.61, I.79 Chain B: Y.25, C.60, R.61 5 PLIP interactions: 2 interactions with chain A, 3 interactions with chain B Hydrogen bonds: A:R.61, A:I.79, B:R.61 Water bridges: B:Y.25, B:Y.25 EDO.5: 3 residues within 4Å: Chain B: D.117, Q.140, K.141 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:D.117, B:D.117, B:K.141, B:K.141

1 x MES: 2-(N-MORPHOLINO)-ETHANESULFONIC ACID(Non-covalent)

MES.4: 6 residues within 4Å: Chain B: T.10, C.11, F.13, E.110, C.112, R.133 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:C.11 Salt bridges: B:E.110, B:R.133

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Liu, L.K. et al., High-resolution crystal structures of alternate forms of the human CD44 hyaluronan-binding domain reveal a site for protein interaction. Acta Crystallogr F Struct Biol Commun (2014)

Release Date

2014-09-17

Peptides

CD44 antigen: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

CD44 antigen