2p49

X-ray diffraction
1.38Å resolution

Complex of a camelid single-domain vhh antibody fragment with RNASE A at 1.4A resolution: native mono_1 crystal form

Released:

Function and Biology Details

Reaction catalysed:
(1a) an (RNA) containing cytidine = an (RNA)-3'-cytidine-2',3'-cyclophosphate + a 5'-hydroxy-ribonucleotide-3'-(RNA)
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-106850 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Ribonuclease pancreatic Chain: A
Molecule details ›
Chain: A
Length: 124 amino acids
Theoretical weight: 13.71 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P61823 (Residues: 27-150; Coverage: 100%)
Gene names: RNASE1, RNS1
Sequence domains: Pancreatic ribonuclease
Structure domains: Ribonuclease A-like domain
Ig-like domain-containing protein Chain: B
Molecule details ›
Chain: B
Length: 123 amino acids
Theoretical weight: 13.1 KDa
Source organism: Camelus dromedarius
Expression system: Escherichia coli
UniProt:
  • Canonical: A2KD57 (Residues: 1-132; Coverage: 92%)
Gene name: hi113
Sequence domains: Immunoglobulin V-set domain
Structure domains: Immunoglobulins

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 14-BM-C
Spacegroup: P21
Unit cell:
a: 40.13Å b: 54.394Å c: 48.044Å
α: 90° β: 108.49° γ: 90°
R-values:
R R work R free
0.157 0.156 0.185
Expression system: Escherichia coli