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

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

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.70 Å

Oligo State

homo-dimer

Ligands

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

SO4.1: 5 residues within 4Å: Chain A: K.36, H.114, F.115 Chain B: Q.11, H.12 6 PLIP interactions: 2 interactions with chain B, 4 interactions with chain A Hydrogen bonds: B:Q.11, A:F.115 Salt bridges: B:H.12, A:K.36, A:H.114 Water bridges: A:K.36 SO4.2: 3 residues within 4Å: Chain A: M.24, R.27, R.28 3 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B Salt bridges: A:R.27, A:R.28 Water bridges: B:S.16 SO4.3: 5 residues within 4Å: Chain A: Q.11, H.12 Chain B: H.114, F.115 Ligands: SO4.4 5 PLIP interactions: 2 interactions with chain B, 3 interactions with chain A Hydrogen bonds: B:F.115, A:Q.11 Salt bridges: B:H.114, A:H.12 Water bridges: A:H.12 SO4.4: 7 residues within 4Å: Chain A: H.12 Chain B: K.36, V.38, N.39, T.40, F.115 Ligands: SO4.3 3 PLIP interactions: 2 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:T.40 Salt bridges: B:K.36, A:H.12 SO4.5: 2 residues within 4Å: Chain B: R.27, R.28 3 PLIP interactions: 3 interactions with chain B Water bridges: B:R.28 Salt bridges: B:R.27, B:R.28 SO4.6: 2 residues within 4Å: Chain B: Q.23, R.27 1 PLIP interactions: 1 interactions with chain B Salt bridges: B:R.27

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

NA.7: 3 residues within 4Å: Chain A: S.15 Chain B: P.45, L.46 3 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:S.15, A:S.15, B:L.46

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
A

B
B

Ribonuclease pancreatic

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