1RIL: Ribonuclease H from thermus thermophilus HB8

Crystal structure of ribonuclease H from thermus thermophilus HB8 refined at 2.8 Å resolution. Determined by X-ray diffraction at 2.8 Å resolution. Released 31 Oct 1993.

Method
X-ray diffraction
Resolution
2.8 Å
Organism
Thermus thermophilus
Chains
1
Atoms
1,174
Mol. weight
18.76 kDa
Released
31 Oct 1993

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

Secondary structure: helices and β-sheets

1RIL contains 7 α-helices and 11 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: 7 helices, 11 β-strands

ElementResiduesLengthSheet
β-strand7-1371
β-strand18-2691
β-strand2812
β-strand3112
β-strand34-3521
β-strand38-4251
α-helix44-5714
β-strand64-6633
β-strand67-6821
α-helix72-798
α-helix81-877
β-strand9114
β-strand9714
α-helix101-11111
β-strand115-11733
α-helix1181
α-helix123-1253
α-helix129-14113

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Ribonuclease HAprotein166Thermus thermophilusP29253 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>1RIL_1 RIBONUCLEASE H (chains A)
MNPSPRKRVALFTDGACLGNPGPGGWAALLRFHAHEKLLSGGEACTTNNRMELKAAIEGL
KALKEPCEVDLYTDSHYLKKAFTEGWLEGWRKRGWRTAEGKPVKNRDLWEALLLAMAPHR
VRFHFVKGHTGHPENERVDREARRQAQSQAKTPCPPRAPTLFHEEA

Primary citation

Crystal structure of ribonuclease H from Thermus thermophilus HB8 refined at 2.8 A resolution. Ishikawa, K., Okumura, M., Katayanagi, K. et al. J Mol Biol (1993) 230:529-542. DOI 10.1006/jmbi.1993.1169 · PubMed

Other PDB entries of the same protein (UniProt P29253 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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