5TKS: Factor xia

Factor xia in complex with the inhibitor ((15S)-18-chloro- 15-(((2E)-3-(5-chloro-2-(1H-tetrazol-1-yl)phenyl)-2- propenoyl)amino)-17,19-DIAZATRICYCLO[14.2.1.0~2,7~]NONADECA-1(18),2,4,6,16(19)-pentaen-5-yl)carbamate. Determined by X-ray diffraction at 1.55 Å resolution. Released 1 Mar 2017.

Method
X-ray diffraction
Resolution
1.55 Å
Organism
Homo sapiens
Chains
1
Atoms
2,271
Mol. weight
29.24 kDa
Ligands
7DL
Released
1 Mar 2017

Explore 5TKS in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

5TKS contains 13 α-helices and 21 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 A: 13 helices, 21 β-strands

ElementResiduesLengthSheet
β-strand1711
β-strand20-2122
α-helix22-232
β-strand30-3563
β-strand39-48103
β-strand51-5443
α-helix56-58A4
α-helix63-653
β-strand65A-6743
β-strand7214
α-helix73-753
β-strand83-9083
α-helix97-993
β-strand104-10853
α-helix111-1144
β-strand11515
β-strand11815
α-helix120-1212
β-strand12212
α-helix123-1253
α-helix126-1283
β-strand136-14052
β-strand15414
α-helix1551
β-strand156-15942
β-strand162-16322
α-helix165-1707
β-strand180-18342
β-strand18911
β-strand198-20362
β-strand206-215102
β-strand226-23052
α-helix231-2344
α-helix235-2428

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Coagulation factor XIAprotein244Homo sapiensP03951 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>5TKS_1 Coagulation factor XI (chains A)
IVGGTASVRGEWPWQVTLHTTSPTQRHLCGGSIIGNQWILTAAHCFYGVESPKILRVYSG
ILNQSEIKEDTSFFGVQEIIIHDQYKMAESGYDIALLKLETTVGYGDSQRPICLPSKGDR
NVIYTDCWVTGWGYRKLRDKIQNTLQKAKIPLVTNEECQKRYRGHKITHKMICAGYREGG
KDACKGDSGGPLSCKHNEVWHLVGITSWGEGCAQRERPGVYTNVVEYVDWILEKTQAVHH
HHHH

Ligands and cofactors

IDNameFormulaCopies
7DL((15S)-18-chloro- 15-(((2E)-3-(5-chloro-2-(1H-tetrazol-1-yl)phenyl)-2-…C29 H30 Cl2 N8 O31

Water and common crystallization additives (EDO, SO4) are not listed.

Primary citation

Structure-Based Design of Macrocyclic Factor XIa Inhibitors: Discovery of the Macrocyclic Amide Linker. Corte, J.R., Fang, T., Osuna, H. et al. J Med Chem (2017) 60:1060-1075. DOI 10.1021/acs.jmedchem.6b01460 · PubMed

Other PDB entries of the same protein (UniProt P03951 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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