2TEC: Thermitase

Molecular dynamics refinement of a thermitase-eglin-C complex at 1.98 Å resolution and comparison of two crystal forms that differ in calcium content. Determined by X-ray diffraction at 1.98 Å resolution. Released 15 Jan 1992.

Method
X-ray diffraction
Resolution
1.98 Å
Organisms
Thermoactinomyces vulgaris, Hirudinaria manillensis
Chains
2
Atoms
2,753
Mol. weight
36.61 kDa
Ligands
CA
Released
15 Jan 1992

Explore 2TEC in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

2TEC contains 13 α-helices and 31 β-strands across 2 chains. 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 E: 11 helices, 22 β-strands

ElementResiduesLengthSheet
α-helix7-104
α-helix14-174
α-helix20-234
β-strand33-3861
β-strand52-5761
β-strand6211
α-helix71-8010
β-strand97-10261
β-strand10412
β-strand10913
β-strand11012
α-helix112-12413
β-strand129-13241
β-strand134-13523
β-strand13614
α-helix141-15212
β-strand156-16051
β-strand17114
β-strand178-18471
α-helix1891
β-strand19011
α-helix1911
β-strand202-20541
β-strand209-21355
β-strand217-22155
β-strand22216
α-helix224-24017
α-helix245-25410
β-strand25711
β-strand26217
β-strand26617
β-strand269-27021
α-helix273-2764
Chain I: 2 helices, 9 β-strands
ElementResiduesLengthSheet
β-strand918
α-helix11-133
β-strand1719
α-helix18-2811
β-strand33-3868
β-strand43-4423
β-strand4716
β-strand51-5668
β-strand6219
β-strand6318
β-strand68-6928

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
ThermitaseEprotein279Thermoactinomyces vulgarisP04072 (AlphaFold model)
Eglin CIprotein70Hirudinaria manillensisP01051 (AlphaFold model)
Sequence of entity 1 (E), FASTA
>2TEC_1 THERMITASE (chains E)
YTPNDPYFSSRQYGPQKIQAPQAWDIAEGSGAKIAIVDTGVQSNHPDLAGKVVGGWDFVD
NDSTPQNGNGHGTHCAGIAAAVTNNSTGIAGTAPKASILAVRVLDNSGSGTWTAVANGIT
YAADQGAKVISLSLGGTVGNSGLQQAVNYAWNKGSVVVAAAGNAGNTAPNYPAYYSNAIA
VASTDQNDNKSSFSTYGSVVDVAAPGSWIYSTYPTSTYASLSGTSMATPHVAGVAGLLAS
QGRSASNIRAAIENTADKISGTGTYWAKGRVNAYKAVQY
Sequence of entity 2 (I), FASTA
>2TEC_2 EGLIN C (chains I)
TEFGSELKSFPEVVGKTVDQAREYFTLHYPQYDVYFLPEGSPVTLDLRYNRVRVFYNPGT
NVVNHVPHVG

Ligands and cofactors

IDNameFormulaCopies
CACalcium ionCa3

Primary citation

Molecular dynamics refinement of a thermitase-eglin-c complex at 1.98 A resolution and comparison of two crystal forms that differ in calcium content. Gros, P., Betzel, C., Dauter, Z. et al. J Mol Biol (1989) 210:347-367. DOI 10.1016/0022-2836(89)90336-7 · PubMed

Other PDB entries of the same protein (UniProt P04072 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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