SMTL ID : 2ize.2 (1 other biounit)

APOSTREPTAVIDIN PH 3.08 I222 COMPLEX

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.57 Å

Oligo State

homo-octamer

Ligands

4 x NA: SODIUM ION(Non-functional Binders)

NA.1: 9 residues within 4Å: Chain A: N.11, L.13, S.15, Y.31, S.33, V.35, W.80, D.116 Ligands: CL.2 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:N.11, A:S.15, A:Y.31, A:D.116 NA.7: 9 residues within 4Å: Chain C: N.11, L.13, S.15, Y.31, S.33, V.35, W.80, D.116 Ligands: CL.8 4 PLIP interactions: 4 interactions with chain C Hydrogen bonds: C:N.11, C:S.15, C:Y.31, C:S.33 NA.13: 9 residues within 4Å: Chain E: N.11, L.13, S.15, Y.31, S.33, V.35, W.80, D.116 Ligands: CL.14 4 PLIP interactions: 4 interactions with chain E Hydrogen bonds: E:N.11, E:S.15, E:Y.31, E:S.33 NA.19: 9 residues within 4Å: Chain G: N.11, L.13, S.15, Y.31, S.33, V.35, W.80, D.116 Ligands: CL.20 4 PLIP interactions: 4 interactions with chain G Hydrogen bonds: G:N.11, G:S.15, G:Y.31, G:S.33

8 x CL: CHLORIDE ION(Non-functional Binders)

CL.2: 9 residues within 4Å: Chain A: N.11, L.13, S.15, Y.31, S.33, V.35, W.80, D.116 Ligands: NA.1 Ligand excluded by PLIP CL.5: 7 residues within 4Å: Chain B: N.11, L.13, S.15, Y.31, W.80, D.116 Ligands: NH4.4 Ligand excluded by PLIP CL.8: 9 residues within 4Å: Chain C: N.11, L.13, S.15, Y.31, S.33, V.35, W.80, D.116 Ligands: NA.7 Ligand excluded by PLIP CL.11: 7 residues within 4Å: Chain D: N.11, L.13, S.15, Y.31, W.80, D.116 Ligands: NH4.10 Ligand excluded by PLIP CL.14: 9 residues within 4Å: Chain E: N.11, L.13, S.15, Y.31, S.33, V.35, W.80, D.116 Ligands: NA.13 Ligand excluded by PLIP CL.17: 7 residues within 4Å: Chain F: N.11, L.13, S.15, Y.31, W.80, D.116 Ligands: NH4.16 Ligand excluded by PLIP CL.20: 9 residues within 4Å: Chain G: N.11, L.13, S.15, Y.31, S.33, V.35, W.80, D.116 Ligands: NA.19 Ligand excluded by PLIP CL.23: 7 residues within 4Å: Chain H: N.11, L.13, S.15, Y.31, W.80, D.116 Ligands: NH4.22 Ligand excluded by PLIP

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

FMT.3: 7 residues within 4Å: Chain A: G.36, N.37, W.67, A.74, S.76, L.98 Chain H: W.108 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:N.37 FMT.6: 6 residues within 4Å: Chain B: G.36, N.37, A.74, S.76, L.98 Chain G: W.108 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:N.37, B:S.76, B:S.76 Water bridges: B:S.100 FMT.9: 7 residues within 4Å: Chain C: G.36, N.37, W.67, A.74, S.76, L.98 Chain F: W.108 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:N.37 FMT.12: 6 residues within 4Å: Chain D: G.36, N.37, A.74, S.76, L.98 Chain E: W.108 4 PLIP interactions: 4 interactions with chain D Hydrogen bonds: D:N.37, D:S.76, D:S.76 Water bridges: D:S.100 FMT.15: 7 residues within 4Å: Chain D: W.108 Chain E: G.36, N.37, W.67, A.74, S.76, L.98 1 PLIP interactions: 1 interactions with chain E Hydrogen bonds: E:N.37 FMT.18: 6 residues within 4Å: Chain C: W.108 Chain F: G.36, N.37, A.74, S.76, L.98 4 PLIP interactions: 4 interactions with chain F Hydrogen bonds: F:N.37, F:S.76, F:S.76 Water bridges: F:S.100 FMT.21: 7 residues within 4Å: Chain B: W.108 Chain G: G.36, N.37, W.67, A.74, S.76, L.98 1 PLIP interactions: 1 interactions with chain G Hydrogen bonds: G:N.37 FMT.24: 6 residues within 4Å: Chain A: W.108 Chain H: G.36, N.37, A.74, S.76, L.98 4 PLIP interactions: 4 interactions with chain H Hydrogen bonds: H:N.37, H:S.76, H:S.76 Water bridges: H:S.100

4 x NH4: AMMONIUM ION(Non-functional Binders)

NH4.4: 9 residues within 4Å: Chain B: N.11, L.13, S.15, Y.31, T.78, W.80, W.96, D.116 Ligands: CL.5 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:Y.31, B:Y.31 NH4.10: 9 residues within 4Å: Chain D: N.11, L.13, S.15, Y.31, T.78, W.80, W.96, D.116 Ligands: CL.11 2 PLIP interactions: 2 interactions with chain D Hydrogen bonds: D:Y.31, D:Y.31 NH4.16: 9 residues within 4Å: Chain F: N.11, L.13, S.15, Y.31, T.78, W.80, W.96, D.116 Ligands: CL.17 2 PLIP interactions: 2 interactions with chain F Hydrogen bonds: F:Y.31, F:Y.31 NH4.22: 9 residues within 4Å: Chain H: N.11, L.13, S.15, Y.31, T.78, W.80, W.96, D.116 Ligands: CL.23 2 PLIP interactions: 2 interactions with chain H Hydrogen bonds: H:Y.31, H:Y.31

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: ABCDEFGH

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
D

C
B

D
D

E
B

F
D

G
B

H
D

STREPTAVIDIN

Related Entries With Identical Sequence