3Q02: Plasminogen activator inhibitor 1

Crystal structure of plasminogen activator inhibitor-1 in a metastable active conformation. Determined by X-ray diffraction at 2.3 Å resolution. Released 22 Jun 2011.

Method
X-ray diffraction
Resolution
2.3 Å
Organism
Homo sapiens
Chains
2
Atoms
5,907
Mol. weight
85.82 kDa
Ligands
ZN
Released
22 Jun 2011

Explore 3Q02 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

3Q02 contains 27 α-helices and 32 β-strands across 2 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 A: 14 helices, 16 β-strands

ElementResiduesLengthSheet
α-helix7-2418
β-strand32-3431
α-helix36-4914
α-helix52-6211
α-helix71-8212
α-helix85-873
β-strand91-100102
α-helix104-1063
α-helix109-1179
β-strand122-12432
α-helix129-14214
β-strand163-17192
β-strand17513
α-helix178-1803
α-helix181-1833
β-strand185-19061
β-strand196-214191
β-strand220-22781
β-strand22813
β-strand233-24081
α-helix248-2514
α-helix256-26510
β-strand267-276101
β-strand278-28582
α-helix287-2926
α-helix297-2993
β-strand319-328102
β-strand350-35341
β-strand358-36471
β-strand369-37681
Chain B: 13 helices, 16 β-strands
ElementResiduesLengthSheet
α-helix4-2623
β-strand32-3434
α-helix36-4611
α-helix52-6211
α-helix71-8212
β-strand91-100105
α-helix104-1063
α-helix109-1179
β-strand122-12435
α-helix129-14214
β-strand163-17195
β-strand17516
α-helix178-1803
α-helix181-1833
β-strand185-19064
β-strand196-214194
β-strand220-22784
β-strand22816
β-strand233-24084
α-helix248-2514
α-helix256-2649
β-strand267-276104
β-strand278-28585
α-helix287-2926
α-helix297-2993
β-strand319-328105
β-strand350-35344
β-strand358-36474
β-strand369-37684

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Plasminogen activator inhibitor 1A, Bprotein379Homo sapiensP05121 (AlphaFold model)
Sequence of entity 1 (A, B), FASTA
>3Q02_1 Plasminogen activator inhibitor 1 (chains A, B)
VHHPPSYVAHLASDFGVRVFQQVAQASKDRNVVFSPYGVASVLAMLQLTTGGETQQQIQA
AMGFKIDDKGMAPALRHLYKELMGPWNKDEISTTDAIFVQRDLKLVQGFMPHFFRLFRST
VKQVDFSEVERARFIINDWVKTHTKGMISNLLGKGAVDQLTRLVLVNALYFNGQFKTPFP
DSSTHRRLFHKSDGSTVSVPMMAQTNKFNYTEFTTPDGHYYDILELPYHGDTLSMFIAAP
YEKEVPLSALTNILSAQLISHWKGNMTRLPRLLVLPKFSLETEVDLRKPLENLGMTDMFR
QFQADFTSLSDQEPLHVAQALQKVKIEVNESGTVASSSTAVIVSARMAPEEIIMDRPFLF
VVRHNPTGTVLFMGQVMEP

Ligands and cofactors

IDNameFormulaCopies
ZNZinc ionZn2

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

Primary citation

Crystal structure of plasminogen activator inhibitor-1 in an active conformation with normal thermodynamic stability. Jensen, J.K., Thompson, L.C., Bucci, J.C. et al. J Biol Chem (2011) 286:29709-29717. DOI 10.1074/jbc.M111.236554 · PubMed

Other PDB entries of the same protein (UniProt P05121 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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