SMTL ID : 4kxh.2 (1 other biounit)

The X-ray crystal structure of a dimeric variant of human pancreatic ribonuclease

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.70 Å

Oligo State

homo-dimer

Ligands

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

SO4.1: 6 residues within 4Å: Chain A: K.36, V.113, H.114, F.115 Chain B: Q.11, H.12 5 PLIP interactions: 2 interactions with chain B, 3 interactions with chain A Hydrogen bonds: B:Q.11, A:F.115 Salt bridges: B:H.12, A:K.36, A:H.114 SO4.2: 5 residues within 4Å: Chain A: Q.11, H.12 Chain B: K.36, H.114, F.115 5 PLIP interactions: 2 interactions with chain A, 3 interactions with chain B Hydrogen bonds: A:Q.11, B:F.115 Salt bridges: A:H.12, B:K.36, B:H.114 SO4.3: 2 residues within 4Å: Chain A: R.27, R.28 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:R.27 Salt bridges: A:R.28 SO4.4: 6 residues within 4Å: Chain A: K.7, R.10, Q.11 Chain B: N.29, M.30, R.34 7 PLIP interactions: 4 interactions with chain A, 3 interactions with chain B Hydrogen bonds: A:Q.11 Water bridges: A:Q.11, B:R.34, B:R.34 Salt bridges: A:K.7, A:R.10, B:R.34 SO4.5: 3 residues within 4Å: Chain A: N.29, Q.32, R.34 4 PLIP interactions: 3 interactions with chain A, 1 interactions with chain B Water bridges: A:R.34, A:R.34 Salt bridges: A:R.34, B:K.7 SO4.8: 2 residues within 4Å: Chain B: R.27, R.28 1 PLIP interactions: 1 interactions with chain B Salt bridges: B:R.28 SO4.9: 4 residues within 4Å: Chain B: R.80, T.82, N.83, R.93 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:N.83, B:N.83 Water bridges: B:G.84 Salt bridges: B:R.80, B:R.93

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

NA.6: 2 residues within 4Å: Chain A: T.19, Q.23 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:T.19, A:Q.23 NA.10: 1 residues within 4Å: Chain B: L.46 No protein-ligand interaction detected (PLIP)

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

CL.7: 1 residues within 4Å: Chain A: Y.87 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Pica, A. et al., Three-dimensional domain swapping and supramolecular protein assembly: insights from the X-ray structure of a dimeric swapped variant of human pancreatic RNase. Acta Crystallogr.,Sect.D (2013)

Release Date

2013-10-02

Peptides

Ribonuclease pancreatic: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

Ribonuclease pancreatic

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