SMTL ID : 1cq4.2 (2 other biounits)

CI2 MUTANT WITH TETRAGLUTAMINE (MGQQQQGM) REPLACING MET59

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

hetero-6-6-mer

Ligands

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

SO4.1: 5 residues within 4Å: Chain B: Q.19, V.20, R.22 Chain J: R.3, R.6 3 PLIP interactions: 2 interactions with chain B, 1 interactions with chain J Hydrogen bonds: B:V.20 Salt bridges: B:R.22, J:R.6 SO4.2: 5 residues within 4Å: Chain D: Q.19, V.20, R.22 Chain L: R.3, R.6 3 PLIP interactions: 2 interactions with chain D, 1 interactions with chain L Hydrogen bonds: D:V.20 Salt bridges: D:R.22, L:R.6 SO4.3: 5 residues within 4Å: Chain F: Q.19, V.20, R.22 Chain H: R.3, R.6 3 PLIP interactions: 2 interactions with chain F, 1 interactions with chain H Hydrogen bonds: F:V.20 Salt bridges: F:R.22, H:R.6 SO4.4: 5 residues within 4Å: Chain D: R.3, R.6 Chain H: Q.19, V.20, R.22 3 PLIP interactions: 2 interactions with chain H, 1 interactions with chain D Hydrogen bonds: H:V.20 Salt bridges: H:R.22, D:R.6 SO4.5: 5 residues within 4Å: Chain F: R.3, R.6 Chain J: Q.19, V.20, R.22 3 PLIP interactions: 1 interactions with chain F, 2 interactions with chain J Salt bridges: F:R.6, J:R.22 Hydrogen bonds: J:V.20 SO4.6: 5 residues within 4Å: Chain B: R.3, R.6 Chain L: Q.19, V.20, R.22 3 PLIP interactions: 2 interactions with chain L, 1 interactions with chain B Hydrogen bonds: L:V.20 Salt bridges: L:R.22, B:R.6

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Chen, Y.W. et al., Crystal structure of a dimeric chymotrypsin inhibitor 2 mutant containing an inserted glutamine repeat. Proc.Natl.Acad.Sci.USA (1999)

Release Date

1998-11-25

Peptides

PROTEIN (SERINE PROTEINASE INHIBITOR 2): ACEGIK
PROTEIN (SERINE PROTEINASE INHIBITOR 2): BDFHJL

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
A

E
A

G
A

I
A

K
A

B
B

D
B

F
B

H
B

J
B

L
B

PROTEIN (SERINE PROTEINASE INHIBITOR 2)

PROTEIN (SERINE PROTEINASE INHIBITOR 2)

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