6ROT: Thrombin

Thrombin in complex with MI2105. Determined by X-ray diffraction at 1.34 Å resolution. Released 27 Nov 2019.

Method
X-ray diffraction
Resolution
1.34 Å
Organisms
Homo sapiens, Hirudo medicinalis
Chains
3
Atoms
2,765
Mol. weight
35.93 kDa
Ligands
PO4, NAG, KDQ
Released
27 Nov 2019

Explore 6ROT in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

6ROT contains 17 α-helices and 25 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 A: 2 helices, 0 β-strands

ElementResiduesLengthSheet
α-helix519-5235
α-helix524-5263
Chain H: 13 helices, 25 β-strands
ElementResiduesLengthSheet
β-strand1711
β-strand20-2122
α-helix22-232
β-strand30-3563
β-strand39-4683
β-strand51-5443
α-helix56-583
β-strand60-60A24
α-helix60B-60D3
β-strand60F-60G24
α-helix61-633
β-strand64-6853
β-strand7215
β-strand81-8333
β-strand85-9063
β-strand9516
β-strand10016
β-strand104-10853
α-helix111-1144
β-strand11517
β-strand11817
α-helix120-1212
β-strand12212
α-helix123-1253
α-helix126-129C7
β-strand135-14062
β-strand15415
β-strand156-16272
α-helix165-1706
α-helix175-1762
β-strand180-18342
α-helix186-186B3
β-strand18911
β-strand198-20252
β-strand207-21592
β-strand226-23052
α-helix232-2343
α-helix235-24511
Chain L: 2 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix8-103
α-helix14C-14I7

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
ProthrombinLprotein36Homo sapiensP00734 (AlphaFold model)
ProthrombinHprotein253Homo sapiensP00734 (AlphaFold model)
Hirudin variant-2Aprotein12Hirudo medicinalisP09945 (AlphaFold model)
Sequence of entity 1 (L), FASTA
>6ROT_1 Prothrombin (chains L)
TFGSGEADCGLRPLFEKKSLEDKTERELLESYIDGR
Sequence of entity 2 (H), FASTA
>6ROT_2 Prothrombin (chains H)
IVEGSDAEIGMSPWQVMLFRKSPQELLCGASLISDRWVLTAAHCLLYPPWDKNFTENDLL
VRIGKHSRTRYERNIEKISMLEKIYIHPRYNWRENLDRDIALMKLKKPVAFSDYIHPVCL
PDRETAASLLQAGYKGRVTGWGNLKETWGQPSVLQVVNLPIVERPVCKDSTRIRITDNMF
CAGYKPDEGKRGDACEGDSGGPFVMKSPFNNRWYQMGIVSWGEGCDRDGKYGFYTHVFRL
KKWIQKVIDQFGE
Sequence of entity 3 (A), FASTA
>6ROT_3 Hirudin variant-2 (chains A)
GDFEEIPEEYLQ

Ligands and cofactors

IDNameFormulaCopies
PO4Phosphate ionO4 P1
NAG2-acetamido-2-deoxy-beta-D-glucopyranoseC8 H15 N O61
KDQ(2~{S})-~{N}-[[5-chloranyl-2-(hydroxymethyl)phenyl]methyl]-1-[2-[(phenylmethyl)…C22 H26 Cl N3 O5 S1

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

Primary citation

Strategies for Late-Stage Optimization: Profiling Thermodynamics by Preorganization and Salt Bridge Shielding. Sandner, A., Hufner-Wulsdorf, T., Heine, A. et al. J Med Chem (2019) 62:9753-9771. DOI 10.1021/acs.jmedchem.9b01196 · 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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