2CN0: Prothrombin precursor

Complex of Recombinant Human Thrombin with a Designed Inhibitor. Determined by X-ray diffraction at 1.3 Å resolution. Released 6 Nov 2006.

Method
X-ray diffraction
Resolution
1.3 Å
Organisms
HOMO SAPIENS, HIRUDO MEDICINALIS
Chains
3
Atoms
2,789
Mol. weight
34.8 kDa
Ligands
CA, F25
Released
6 Nov 2006

Explore 2CN0 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

2CN0 contains 16 α-helices and 24 β-strands across 3 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 H: 13 helices, 24 β-strands

ElementResiduesLengthSheet
β-strand1711
β-strand20-2122
α-helix22-232
β-strand30-3673
β-strand38-4693
β-strand51-5443
α-helix56-583
β-strand60-60A24
α-helix60B-60D3
β-strand60F-60G24
α-helix61-633
β-strand64-6853
β-strand7215
β-strand81-90103
β-strand9516
β-strand10016
β-strand104-10853
α-helix111-1144
β-strand11517
β-strand11817
α-helix120-1212
β-strand12212
α-helix123-1242
α-helix126-129C7
β-strand135-14062
β-strand15415
β-strand156-16272
α-helix165-1695
α-helix175-1762
β-strand180-18342
α-helix186-186B3
β-strand18911
β-strand198-20252
β-strand207-21592
β-strand226-23052
α-helix232-2343
α-helix235-24410
Chain I: 1 helix, 0 β-strands
ElementResiduesLengthSheet
α-helix3-53
Chain L: 2 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix8-103
α-helix14C-14I7

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Prothrombin precursorHprotein257HOMO SAPIENSP00734 (AlphaFold model)
Hirudin iiaIprotein11HIRUDO MEDICINALISP09945 (AlphaFold model)
Prothrombin precursorLprotein28HOMO SAPIENSP00734 (AlphaFold model)
Sequence of entity 1 (H), FASTA
>2CN0_1 PROTHROMBIN PRECURSOR (chains H)
IVEGSDAEIGMSPWQVMLFRKSPQELLCGASLISDRWVLTAAHCLLYPPWDKNFTENDLL
VRIGKHSRTRYERNIEKISMLEKIYIHPRYNWRENLDRDIALMKLKKPVAFSDYIHPVCL
PDRETAASLLQAGYKGRVTGWGNLKETWTANVGKGQPSVLQVVNLPIVERPVCKDSTRIR
ITDNMFCAGYKPDEGKRGDACEGDSGGPFVMKSPFNNRWYQMGIVSWGEGCDRDGKYGFY
THVFRLKKWIQKVIDQF
Sequence of entity 2 (I), FASTA
>2CN0_2 HIRUDIN IIA (chains I)
XFEEIPEEYLQ
Sequence of entity 3 (L), FASTA
>2CN0_3 PROTHROMBIN PRECURSOR (chains L)
ADCGLRPLFEKKSLEDKTERELLESYID

Ligands and cofactors

IDNameFormulaCopies
CACalcium ionCa1
F254-(1R,3AS,4R,8AS,8BR)-[1-difluoromethyl-2-(4-fluorobenzyl)-3-oxodecahydropyrrol…C24 H27 F3 N4 O1

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

Primary citation

Mapping the Fluorophilicity of a Hydrophobic Pocket: Synthesis and Biological Evaluation of Tricyclic Thrombin Inhibitors Directing Fluorinated Alkyl Groups Into the P Pocket. Hoffmann-Roder, A., Schweizer, E., Egger, J. et al. ChemMedChem (2006) 1:1205. DOI 10.1002/CMDC.200600124 · PubMed

Other PDB entries of the same protein (UniProt P00734 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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