SMTL ID : 2rtm.1

STREPTAVIDIN-2-IMINOBIOTIN-SULFATE COMPLEX, PH 3.50, SPACE GROUP I4122

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.30 Å

Oligo State

homo-tetramer

Ligands

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

SO4.1: 12 residues within 4Å: Chain A: N.23, L.25, S.27, Y.43, E.44, S.45, A.46, V.47, G.48, A.50, W.79 Ligands: IMI.2 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:S.27, A:S.27, A:S.45, A:A.46, A:V.47, A:G.48 SO4.3: 12 residues within 4Å: Chain B: N.23, L.25, S.27, Y.43, E.44, S.45, A.46, V.47, G.48, A.50, W.79 Ligands: IMI.4 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:S.27, B:S.27, B:S.45, B:A.46, B:V.47, B:G.48 SO4.5: 12 residues within 4Å: Chain C: N.23, L.25, S.27, Y.43, E.44, S.45, A.46, V.47, G.48, A.50, W.79 Ligands: IMI.6 6 PLIP interactions: 6 interactions with chain C Hydrogen bonds: C:S.27, C:S.27, C:S.45, C:A.46, C:V.47, C:G.48 SO4.7: 12 residues within 4Å: Chain D: N.23, L.25, S.27, Y.43, E.44, S.45, A.46, V.47, G.48, A.50, W.79 Ligands: IMI.8 6 PLIP interactions: 6 interactions with chain D Hydrogen bonds: D:S.27, D:S.27, D:S.45, D:A.46, D:V.47, D:G.48

4 x IMI: 2-IMINOBIOTIN(Non-covalent)

IMI.2: 20 residues within 4Å: Chain A: N.23, L.25, S.27, Y.43, S.45, V.47, G.48, N.49, A.50, W.79, A.86, S.88, T.90, W.92, W.108, L.110, D.128, F.130 Chain C: W.120 Ligands: SO4.1 13 PLIP interactions: 13 interactions with chain A Hydrophobic interactions: A:A.50, A:W.79, A:W.79, A:W.79 Hydrogen bonds: A:N.23, A:S.27, A:Y.43, A:N.49, A:S.88, A:S.88 Water bridges: A:W.108, A:H.127 Salt bridges: A:D.128 IMI.4: 20 residues within 4Å: Chain B: N.23, L.25, S.27, Y.43, S.45, V.47, G.48, N.49, A.50, W.79, A.86, S.88, T.90, W.92, W.108, L.110, D.128, F.130 Chain D: W.120 Ligands: SO4.3 13 PLIP interactions: 13 interactions with chain B Hydrophobic interactions: B:A.50, B:W.79, B:W.79, B:W.79 Hydrogen bonds: B:N.23, B:S.27, B:Y.43, B:N.49, B:S.88, B:S.88 Water bridges: B:W.108, B:H.127 Salt bridges: B:D.128 IMI.6: 20 residues within 4Å: Chain A: W.120 Chain C: N.23, L.25, S.27, Y.43, S.45, V.47, G.48, N.49, A.50, W.79, A.86, S.88, T.90, W.92, W.108, L.110, D.128, F.130 Ligands: SO4.5 13 PLIP interactions: 13 interactions with chain C Hydrophobic interactions: C:A.50, C:W.79, C:W.79, C:W.79 Hydrogen bonds: C:N.23, C:S.27, C:Y.43, C:N.49, C:S.88, C:S.88 Water bridges: C:W.108, C:H.127 Salt bridges: C:D.128 IMI.8: 20 residues within 4Å: Chain B: W.120 Chain D: N.23, L.25, S.27, Y.43, S.45, V.47, G.48, N.49, A.50, W.79, A.86, S.88, T.90, W.92, W.108, L.110, D.128, F.130 Ligands: SO4.7 13 PLIP interactions: 13 interactions with chain D Hydrophobic interactions: D:A.50, D:W.79, D:W.79, D:W.79 Hydrogen bonds: D:N.23, D:S.27, D:Y.43, D:N.49, D:S.88, D:S.88 Water bridges: D:W.108, D:H.127 Salt bridges: D:D.128

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

1998-10-14

Peptides

STREPTAVIDIN: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

C
A

D
A

STREPTAVIDIN

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