1KF2: Atomic Resolution Structure of RNase A at pH 5.2

Atomic Resolution Structure of RNase A at pH 5.2. Determined by X-ray diffraction at 1.1 Å resolution. Released 19 Dec 2001.

Method
X-ray diffraction
Resolution
1.1 Å
Organism
Bos taurus
Chains
1
Atoms
1,311
Mol. weight
13.8 kDa
Released
19 Dec 2001

Explore 1KF2 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1KF2 contains 4 α-helices and 10 β-strands across 1 chain. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 4 helices, 10 β-strands

ElementResiduesLengthSheet
α-helix4-129
β-strand1311
α-helix25-328
β-strand43-4751
α-helix51-555
α-helix56-594
β-strand61-6332
β-strand72-7432
β-strand79-8681
β-strand9113
β-strand9413
β-strand97-10481
β-strand106-11162
β-strand116-12382

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
pancreatic ribonucleaseAprotein124Bos taurusP61823 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>1KF2_1 pancreatic ribonuclease (chains A)
KETAAAKFERQHMDSSTSAASSSNYCNQMMKSRNLTKDRCKPVNTFVHESLADVQAVCSQ
KNVACKNGQTNCYQSYSTMSITDCRETGSSKYPNCAYKTTQANKHIIVACEGNPYVPVHF
DASV

Primary citation

Atomic resolution structures of ribonuclease A at six pH values. Berisio, R., Sica, F., Lamzin, V.S. et al. Acta Crystallogr D Biol Crystallogr (2002) 58:441-450. DOI 10.1107/S0907444901021758 · PubMed

Other PDB entries of the same protein (UniProt P61823 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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