1DS3: OMTKY3-CH2-ASP19I

Crystal structure of OMTKY3-CH2-ASP19I. Determined by X-ray diffraction at 1.65 Å resolution. Released 31 Jan 2001.

Method
X-ray diffraction
Resolution
1.65 Å
Organism
Meleagris gallopavo
Chains
1
Atoms
426
Mol. weight
5.56 kDa
Released
31 Jan 2001

Explore 1DS3 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1DS3 contains 1 α-helix and 3 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 I: 1 helix, 3 β-strands

ElementResiduesLengthSheet
β-strand23-2531
β-strand30-3121
α-helix34-4310
β-strand50-5341

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
OvomucoidIprotein51Meleagris gallopavoP68390 (AlphaFold model)
Sequence of entity 1 (I), FASTA
>1DS3_1 OVOMUCOID (chains I)
VDCSEYPKPACTXDYRPLCGSDNKTYGNKCNFCNAVVESNGTLTLSHFGKC

Primary citation

Contribution of peptide bonds to inhibitor-protease binding: crystal structures of the turkey ovomucoid third domain backbone variants OMTKY3-Pro18I and OMTKY3-psi[COO]-Leu18I in complex with Streptomyces griseus proteinase B (SGPB) and the structure of the free inhibitor,…. Bateman, K.S., Huang, K., Anderson, S. et al. J Mol Biol (2001) 305:839-849. DOI 10.1006/jmbi.2000.4343 · PubMed

Other PDB entries of the same protein (UniProt P68390 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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