1PK4: Plasminogen kringle 4

Crystal and molecular structure of human plasminogen kringle 4 refined at 1.9-Å resolution. Determined by X-ray diffraction at 1.9 Å resolution. Released 31 Oct 1993.

Method
X-ray diffraction
Resolution
1.9 Å
Organism
Homo sapiens
Chains
1
Atoms
711
Mol. weight
9.14 kDa
Released
31 Oct 1993

Explore 1PK4 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1PK4 contains 2 α-helices and 11 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: 2 helices, 11 β-strands

ElementResiduesLengthSheet
β-strand1-221
β-strand1512
β-strand1613
α-helix201
β-strand2112
β-strand2214
α-helix23-242
β-strand5215
β-strand62-6435
β-strand6514
β-strand72-7435
β-strand7513
β-strand78-7921

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Plasminogen kringle 4Aprotein79Homo sapiensP00747 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>1PK4_1 PLASMINOGEN KRINGLE 4 (chains A)
DCYHGDGQSYRGTSSTTTTGKKCQSWSSMTPHRHQKTPENYPNAGLTMNYCRNPDADKGP
WCFTTDPSVRWEYCNLKKC

Primary citation

Crystal and molecular structure of human plasminogen kringle 4 refined at 1.9-A resolution. Mulichak, A.M., Tulinsky, A., Ravichandran, K.G. Biochemistry (1991) 30:10576-10588. DOI 10.1021/bi00107a029 · PubMed

Other PDB entries of the same protein (UniProt P00747 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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