SMTL ID : 5i5c.1

X-ray crystal structure of allo-Thr31-ShK

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.30 Å

Oligo State

homo-trimer

Ligands

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

SO4.1: 6 residues within 4Å: Chain A: R.1, K.22, S.26 Chain C: T.13, A.14, F.15 11 PLIP interactions: 9 interactions with chain A, 2 interactions with chain C Hydrogen bonds: A:S.26, C:A.14, C:F.15 Water bridges: A:R.1, A:R.1, A:R.1, A:R.1, A:K.22, A:K.22 Salt bridges: A:R.1, A:K.22 SO4.2: 2 residues within 4Å: Chain A: T.13 Chain B: R.1 3 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B Water bridges: A:T.13, A:F.15 Salt bridges: B:R.1 SO4.3: 3 residues within 4Å: Chain A: S.20, M.21, K.22 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:M.21, A:K.22 SO4.5: 4 residues within 4Å: Chain C: H.19, S.20, M.21, K.22 3 PLIP interactions: 3 interactions with chain C Hydrogen bonds: C:M.21, C:K.22 Water bridges: C:S.20

2 x LI: LITHIUM ION(Non-covalent)

LI.4: 7 residues within 4Å: Chain B: C.12, T.13, Q.16, C.17, Y.23, C.28, C.32 No protein-ligand interaction detected (PLIP) LI.7: 7 residues within 4Å: Chain C: C.12, T.13, Q.16, C.17, Y.23, C.28, C.32 1 PLIP interactions: 1 interactions with chain C Metal complexes: C:T.13

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.6: 2 residues within 4Å: Chain C: R.11, Y.23 4 PLIP interactions: 2 interactions with chain A, 2 interactions with chain C Water bridges: A:R.1, A:R.1 Hydrogen bonds: C:R.11, C:Y.23

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Dang, B. et al., Inversion of the Side-Chain Stereochemistry of Indvidual Thr or Ile Residues in a Protein Molecule: Impact on the Folding, Stability, and Structure of the ShK Toxin. Angew. Chem. Int. Ed. Engl. (2017)

Release Date

2017-01-25

Peptides

Kappa-stichotoxin-She3a: ABC

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

Kappa-stichotoxin-She3a

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