1PK2: Tissue-type plasminogen activator

Solution structure of the tissue-type plasminogen activator kringle 2 domain complexed to 6-aminohexanoic acid an antifibrinolytic drug. Determined by solution NMR. Released 31 Jan 1994.

Method
Solution NMR
Organism
Homo sapiens
Chains
1
Atoms
699
Mol. weight
10 kDa
Ligands
ACA
Released
31 Jan 1994

Explore 1PK2 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1PK2 contains 4 α-helices and 7 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: 4 helices, 7 β-strands

ElementResiduesLengthSheet
α-helix16-172
β-strand2111
β-strand2212
β-strand2711
α-helix28-303
α-helix34-363
α-helix48-514
β-strand6013
β-strand69-7463
β-strand77-8263
β-strand8312

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Tissue-type plasminogen activatorAprotein90Homo sapiensP00750 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>1PK2_1 TISSUE-TYPE PLASMINOGEN ACTIVATOR (chains A)
SEGNSDCYFGNGSAYRGTHSLTESGASCLPWNSMILIGKVYTAQNPSAQALGLGKHNYCR
NPDGDAKPWCHVLKNRRLTWEYCDVPSCST

Ligands and cofactors

IDNameFormulaCopies
ACA6-aminohexanoic acidC6 H13 N O21

Primary citation

Solution structure of the tissue-type plasminogen activator kringle 2 domain complexed to 6-aminohexanoic acid an antifibrinolytic drug. Byeon, I.J., Llinas, M. J Mol Biol (1991) 222:1035-1051. DOI 10.1016/0022-2836(91)90592-T · PubMed

Other PDB entries of the same protein (UniProt P00750 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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