1IRH: Tissue factor pathway inhibitor

The Solution Structure of The Third Kunitz Domain of Tissue Factor Pathway Inhibitor. Determined by solution NMR. Released 6 Feb 2002.

Method
Solution NMR
Organism
Homo sapiens
Chains
1
Atoms
483
Mol. weight
6.92 kDa
Released
6 Feb 2002

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

Secondary structure: helices and β-sheets

1IRH contains 2 α-helices and 3 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, 3 β-strands

ElementResiduesLengthSheet
β-strand23-2641
β-strand33-3641
β-strand4811
α-helix52-543
α-helix55-595

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
tissue factor pathway inhibitorAprotein61Homo sapiensP10646 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>1IRH_1 tissue factor pathway inhibitor (chains A)
EFHGPSWCLTPADRGLCRANENRFYYNSVIGKCRPFKYSGCGGNENNFTSKQECLRACKK
G

Primary citation

Structural mechanism for heparin-binding of the third Kunitz domain of human tissue factor pathway inhibitor. Mine, S., Yamazaki, T., Miyata, T. et al. Biochemistry (2002) 41:78-85. DOI 10.1021/bi011299g · PubMed

Other PDB entries of the same protein (UniProt P10646 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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