4YLQ: FVIIa-Trypsin Chimera

Crystal Structure of a FVIIa-Trypsin Chimera (FT) in Complex with Soluble Tissue Factor. Determined by X-ray diffraction at 1.4 Å resolution. Released 30 Dec 2015.

Method
X-ray diffraction
Resolution
1.4 Å
Organism
Homo sapiens
Chains
3
Atoms
5,540
Mol. weight
73.03 kDa
Ligands
POL, 0Z7, TMA, FUC
Released
30 Dec 2015

Explore 4YLQ in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

4YLQ contains 28 α-helices and 50 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, 23 β-strands

ElementResiduesLengthSheet
β-strand1715
β-strand20-2126
α-helix22-232
β-strand30-3567
β-strand38-4687
β-strand51-5447
α-helix56-594
α-helix61-633
β-strand64-6857
β-strand7218
β-strand81-91117
β-strand104-10857
α-helix111-1144
β-strand11519
β-strand11819
α-helix120-1212
β-strand12216
α-helix126-129B6
α-helix130-1323
β-strand135-14066
β-strand143110
α-helix1501
β-strand151110
α-helix1521
β-strand15418
β-strand156-16386
α-helix165-1684
β-strand180-18346
β-strand18915
β-strand198-20366
β-strand206-215106
β-strand226-23056
α-helix231-2344
α-helix235-2439
α-helix245-2462
β-strand251-25447
Chain L: 8 helices, 8 β-strands
ElementResiduesLengthSheet
α-helix6-83
α-helix10-112
α-helix131
α-helix14-185
α-helix24-318
α-helix34-4411
β-strand60-6451
β-strand67-7151
α-helix72-732
β-strand76-7722
β-strand83-8422
α-helix94-974
β-strand101-10553
β-strand108-11363
β-strand118-12034
β-strand127-12934
Chain T: 7 helices, 19 β-strands
ElementResiduesLengthSheet
β-strand10-17811
β-strand20-26711
β-strand32-40912
β-strand46-52712
β-strand56-58311
α-helix60-634
β-strand71-79912
β-strand94-96312
α-helix97-993
β-strand100112
α-helix102-1054
β-strand107111
α-helix108-1114
β-strand113-119713
β-strand122-127613
β-strand131-136614
β-strand139-142414
α-helix143-1475
α-helix148-1503
β-strand152-159815
β-strand166-170515
β-strand174-178513
β-strand185-192815
β-strand201115
α-helix202-2076
β-strand208-209215

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Coagulation factor VIILprotein152Homo sapiensP08709 (AlphaFold model)
Coagulation factor VIIHprotein249Homo sapiensP08709 (AlphaFold model)
Tissue factorTprotein219Homo sapiensP13726 (AlphaFold model)
Sequence of entity 1 (L), FASTA
>4YLQ_1 Coagulation factor VII (chains L)
ANAFLEELRPGSLERECKEEQCSFEEAREIFKDAERTKLFWISYSDGDQCASSPCQNGGS
CKDQLQSYICFCLPAFEGRNCETHKDDQLICVNENGGCEQYCSDHTGTKRSCRCHEGYSL
LADGVSCTPTVEYPCGKIPILEKRNASKPQGR
Sequence of entity 2 (H), FASTA
>4YLQ_2 Coagulation factor VII (chains H)
IVGGKVCPKGECPWQVLLLVNGAQLCGGTLINTIWVVSAAHCFDKIKNWRNLIAVLGEHD
LSEHDGDEQSRRVAQVIIPSTYVPGTTNHDIALLRLHQPVVLTDHVVPLCLPERTFSERT
LAFVRFSLVSGWGQLLDRGATALELMVLNVPRLMTQDCEASFPGKITEYMFCAGYSDGSK
DSCKGDSGGPHATHYRGTWYLTGIVSWGQGCATVGHFGVYTRVSQYIEWLQKLMRSEPRP
GVLLRAPFP
Sequence of entity 3 (T), FASTA
>4YLQ_3 Tissue factor (chains T)
SGTTNTVAAYNLTWKSTNFKTILEWEPKPVNQVYTVQISTKSGDWKSKCFYTTDTECDLT
DEIVKDVKQTYLARVFSYPAGNVESTGSAGEPLYENSPEFTPYLETNLGQPTIQSFEQVG
TKVNVTVEDERTLVRRNNTFLSLRDVFGKDLIYTLYYWKSSSSGKKTAKTNTNEFLIDVD
KGENYCFSVQAVIPSRTVNRKSTDSPVECMGQEKGEFRE

Ligands and cofactors

IDNameFormulaCopies
POLN-propanolC3 H8 O1
0Z7N-acetyl-D-phenylalanyl-N-[(2S,3S)-6-carbamimidamido-1-chloro-2-hydroxyhexan-3-…C27 H38 Cl N6 O41
TMATetramethylammonium ionC4 H12 N22
FUCalpha-L-fucopyranoseC6 H12 O51
CACalcium ionCa9

Primary citation

Molecular Basis of Enhanced Activity in Factor VIIa-Trypsin Variants Conveys Insights into Tissue Factor-mediated Allosteric Regulation of Factor VIIa Activity. Sorensen, A.B., Madsen, J.J., Svensson, L.A. et al. J Biol Chem (2016) 291:4671-4683. DOI 10.1074/jbc.M115.698613 · PubMed

Other PDB entries of the same protein (UniProt P08709 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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