SMTL ID : 2izb.1

APOSTREPTAVIDIN PH 3.12 I4122 STRUCTURE

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.20 Å

Oligo State

homo-tetramer

Ligands

4 x SO4: SULFATE ION(Non-functional Binders)

SO4.1: 7 residues within 4Å: Chain A: V.35, W.67, T.78, W.80, W.96, L.98 Chain C: W.108 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:W.67, A:T.78, A:T.78 Water bridges: A:Y.31, A:W.80 SO4.3: 7 residues within 4Å: Chain B: V.35, W.67, T.78, W.80, W.96, L.98 Chain D: W.108 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:W.67, B:T.78, B:T.78 Water bridges: B:Y.31, B:W.80 SO4.5: 7 residues within 4Å: Chain A: W.108 Chain C: V.35, W.67, T.78, W.80, W.96, L.98 5 PLIP interactions: 5 interactions with chain C Hydrogen bonds: C:W.67, C:T.78, C:T.78 Water bridges: C:Y.31, C:W.80 SO4.7: 7 residues within 4Å: Chain B: W.108 Chain D: V.35, W.67, T.78, W.80, W.96, L.98 5 PLIP interactions: 5 interactions with chain D Hydrogen bonds: D:W.67, D:T.78, D:T.78 Water bridges: D:Y.31, D:W.80

4 x FMT: FORMIC ACID(Non-functional Binders)

FMT.2: 8 residues within 4Å: Chain A: G.36, N.37, A.38, W.67, A.74, S.76, L.98 Chain C: W.108 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:N.37 Water bridges: A:N.37 FMT.4: 8 residues within 4Å: Chain B: G.36, N.37, A.38, W.67, A.74, S.76, L.98 Chain D: W.108 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:N.37 Water bridges: B:N.37 FMT.6: 8 residues within 4Å: Chain A: W.108 Chain C: G.36, N.37, A.38, W.67, A.74, S.76, L.98 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:N.37 Water bridges: C:N.37 FMT.8: 8 residues within 4Å: Chain B: W.108 Chain D: G.36, N.37, A.38, W.67, A.74, S.76, L.98 2 PLIP interactions: 2 interactions with chain D Hydrogen bonds: D:N.37 Water bridges: D:N.37

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Katz, B.A., Binding of biotin to streptavidin stabilizes intersubunit salt bridges between Asp61 and His87 at low pH. J.Mol.Biol. (1997)

Release Date

1998-09-16

Peptides

STREPTAVIDIN: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

C
A

D
A

STREPTAVIDIN