1TEC: Thermitase

Crystallographic refinement by incorporation of molecular dynamics. The thermostable serine protease thermitase complexed with eglin-C. Determined by X-ray diffraction at 2.2 Å resolution. Released 15 Oct 1989.

Method
X-ray diffraction
Resolution
2.2 Å
Organisms
Thermoactinomyces vulgaris, Hirudo medicinalis
Chains
2
Atoms
2,737
Mol. weight
36.59 kDa
Ligands
CA
Released
15 Oct 1989

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

Secondary structure: helices and β-sheets

1TEC contains 11 α-helices and 28 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: 9 helices, 20 β-strands

ElementResiduesLengthSheet
α-helix7-104
α-helix14-174
α-helix20-234
β-strand33-3861
β-strand56-5721
β-strand6211
α-helix71-8010
β-strand97-10261
β-strand10912
α-helix112-12413
β-strand129-13241
β-strand134-13522
β-strand13613
α-helix141-15212
β-strand156-16051
β-strand17113
β-strand179-18461
β-strand19011
β-strand202-20541
β-strand209-21354
β-strand217-22154
β-strand22315
α-helix224-23916
α-helix245-25410
β-strand25711
β-strand26216
β-strand26616
β-strand27011
α-helix273-2775
Chain I: 2 helices, 8 β-strands
ElementResiduesLengthSheet
α-helix11-133
β-strand1717
α-helix18-2811
β-strand33-3868
β-strand43-4422
β-strand4615
β-strand51-5668
β-strand6217
β-strand6318
β-strand68-6928

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
ThermitaseEprotein279Thermoactinomyces vulgarisP04072 (AlphaFold model)
Eglin CIprotein70Hirudo medicinalisP01051 (AlphaFold model)
Sequence of entity 1 (E), FASTA
>1TEC_1 THERMITASE (chains E)
YTPNDPYFSSRQYGPQKIQAPQAWDIAEGSGAKIAIVDTGVQSNHPDLAGKVVGGWDFVD
NDSTPQNGNGHGTHCAGIAAAVTNNSTGIAGTAPKASILAVRVLDNSGSGTWTAVANGIT
YAADQGAKVISLSLGGTVGNSGLQQAVNYAWNKGSVVVAAAGNAGNTAPNYPAYYSNAIA
VASTDQNDNKSSFSTYGSVVDVAAPGSWIYSTYPTSTYASLSGTSMATPHVAGVAGLLAS
QGRSASNIRAAIENTADKISGTGTYWAKGRVNAYKAVQY
Sequence of entity 2 (I), FASTA
>1TEC_2 EGLIN C (chains I)
TEFGSELKSFPEVVGKTVDQAREYFTLHYPQYDVYFLPEGSPVTLDLRYNRVRVFYNPGT
NVVNHVPHVG

Ligands and cofactors

IDNameFormulaCopies
CACalcium ionCa2

Water and common crystallization additives (NA) are not listed.

Primary citation

Crystallographic refinement by incorporation of molecular dynamics: thermostable serine protease thermitase complexed with eglin c. Gros, P., Fujinaga, M., Dijkstra, B.W. et al. Acta Crystallogr B (1989) 45:488-499. DOI 10.1107/S0108768189006038 · PubMed

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

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