SMTL ID : 1s5d.1

Cholera holotoxin with an A-subunit Y30S mutation, Crystal form 2

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.75 Å

Oligo State

hetero-1-5-mer

Ligands

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

NA.1: 4 residues within 4Å: Chain A: N.1, T.90, Y.150, L.153 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:T.90, A:T.90, A:T.90, A:L.153

5 x GOL: GLYCEROL(Non-functional Binders)

GOL.2: 9 residues within 4Å: Chain A: R.146, D.147, R.148, Y.149, Q.221 Chain D: T.78, A.80 Chain E: L.77, E.79 8 PLIP interactions: 4 interactions with chain A, 3 interactions with chain D, 1 interactions with chain E Hydrogen bonds: A:R.148, A:Y.149, A:Q.221, D:T.78, D:T.78, E:E.79 Water bridges: A:R.148, D:K.81 GOL.4: 4 residues within 4Å: Chain B: A.46, T.47, P.93, H.94 4 PLIP interactions: 1 interactions with chain F, 3 interactions with chain B Water bridges: F:Q.3 Hydrogen bonds: B:T.47, B:T.47, B:H.94 GOL.6: 5 residues within 4Å: Chain A: K.219 Chain B: N.103 Chain C: Y.76, L.77, E.79 3 PLIP interactions: 3 interactions with chain C Hydrogen bonds: C:E.79, C:E.79 Water bridges: C:E.79 GOL.8: 4 residues within 4Å: Chain D: A.46, T.47, P.93, H.94 3 PLIP interactions: 3 interactions with chain D Hydrogen bonds: D:T.47, D:H.94, D:H.94 GOL.10: 5 residues within 4Å: Chain E: H.18, A.46, T.47, P.93, H.94 3 PLIP interactions: 3 interactions with chain E Hydrogen bonds: E:T.47, E:T.47, E:H.94

5 x GAL: beta-D-galactopyranose(Non-covalent)

GAL.3: 7 residues within 4Å: Chain B: N.14, E.51, Q.56, Q.61, W.88, N.90, K.91 7 PLIP interactions: 7 interactions with chain B Hydrogen bonds: B:Q.56, B:Q.61, B:Q.61, B:N.90, B:N.90, B:K.91 Salt bridges: B:K.91 GAL.5: 7 residues within 4Å: Chain C: E.51, Q.56, H.57, Q.61, W.88, N.90, K.91 6 PLIP interactions: 6 interactions with chain C Hydrogen bonds: C:Q.61, C:Q.61, C:N.90, C:N.90, C:K.91 Salt bridges: C:K.91 GAL.7: 7 residues within 4Å: Chain D: E.51, Q.56, H.57, Q.61, W.88, N.90, K.91 6 PLIP interactions: 6 interactions with chain D Hydrogen bonds: D:Q.61, D:Q.61, D:N.90, D:N.90, D:K.91 Water bridges: D:I.58 GAL.9: 7 residues within 4Å: Chain E: E.51, Q.56, H.57, Q.61, W.88, N.90, K.91 6 PLIP interactions: 6 interactions with chain E Hydrogen bonds: E:Q.61, E:Q.61, E:N.90, E:N.90, E:K.91 Salt bridges: E:K.91 GAL.11: 7 residues within 4Å: Chain F: E.51, Q.56, H.57, Q.61, W.88, N.90, K.91 9 PLIP interactions: 9 interactions with chain F Hydrogen bonds: F:Q.61, F:Q.61, F:N.90, F:N.90, F:K.91 Water bridges: F:E.51, F:I.58, F:K.91 Salt bridges: F:K.91

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

O'Neal, C.J. et al., Crystal structures of an intrinsically active cholera toxin mutant yield insight into the toxin activation mechanism. Biochemistry (2004)

Release Date

2004-04-06

Peptides

Cholera enterotoxin, A chain: A
cholera toxin B protein (CTB): BCDEF

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
D

C
E

D
F

E
G

F
H

Cholera enterotoxin, A chain

cholera toxin B protein (CTB)

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