SMTL ID : 3rdo.1

Crystal structure of R7-2 streptavidin complexed with biotin

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.40 Å

Oligo State

monomer

Ligands

1 x BTN: BIOTIN(Non-covalent)

BTN.1: 18 residues within 4Å: Chain A: N.36, L.38, S.40, Y.56, S.58, V.60, G.61, N.62, W.92, A.99, S.101, S.103, W.105, V.121, T.123, D.141 Ligands: NI.2, SO4.3 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:W.92, A:W.92, A:W.92 Hydrogen bonds: A:N.36, A:S.40, A:S.58, A:N.62, A:S.101, A:D.141

1 x NI: NICKEL (II) ION(Non-covalent)

NI.2: 3 residues within 4Å: Chain A: N.62 Ligands: BTN.1, SO4.3 No protein-ligand interaction detected (PLIP)

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

SO4.3: 4 residues within 4Å: Chain A: G.61, N.62 Ligands: BTN.1, NI.2 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:N.62

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.4: 4 residues within 4Å: Chain A: Q.37, L.38, G.139, H.140 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:Q.37, A:H.140, A:H.140 Water bridges: A:H.140 GOL.5: 3 residues within 4Å: Chain A: H.7, H.8, H.9 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:H.7, A:H.9

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Magalhaes, M.L. et al., Evolved streptavidin mutants reveal key role of loop residue in high-affinity binding. Protein Sci. (2011)

Release Date

2011-07-06

Peptides

Streptavidin: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Streptavidin

Related Entries With Identical Sequence