5TJX: Human plasma kallikrein

Structure of human plasma kallikrein. Determined by X-ray diffraction at 1.41 Å resolution. Released 21 Dec 2016.

Method
X-ray diffraction
Resolution
1.41 Å
Organism
Homo sapiens
Chains
1
Atoms
2,244
Mol. weight
30.14 kDa
Ligands
PO4, GBT
Released
21 Dec 2016

Explore 5TJX in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

5TJX contains 9 α-helices and 22 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: 9 helices, 22 β-strands

ElementResiduesLengthSheet
β-strand39211
β-strand395-39622
β-strand405-41173
β-strand415-425113
β-strand428-43143
α-helix433-4364
β-strand445-44843
β-strand45314
α-helix454-4563
β-strand46413
β-strand466-47163
β-strand485-48953
α-helix492-4954
β-strand49615
β-strand49915
α-helix501-5022
β-strand50312
α-helix504-5052
β-strand517-52152
β-strand53414
α-helix5351
β-strand536-53942
β-strand542-54322
α-helix545-5517
β-strand561-56442
β-strand57211
β-strand581-58662
β-strand589-598102
β-strand609-61352
α-helix614-6174
α-helix618-6258

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Plasma kallikreinAprotein263Homo sapiensP03952 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>5TJX_1 Plasma kallikrein (chains A)
NTGDNSVCTTKTSTRIVGGTESSWGEWPWQVSLQVKLTAQRHLCGGSLIGHQWVLTAAHC
FDGLPLQDVWRIYSGILELSDITKDTPFSQIKEIIIHQNYKVSEGNHDIALIKLQAPLEY
TEFQKPISLPSKGDTSTIYTNCWVTGWGFSKEKGEIQNILQKVNIPLVTNEECQKRYQDY
KITQRMVCAGYKEGGKDACKGDSGGPLVCKHNGMWRLVGITSWGEGCARREQPGVYTKVA
EYMDWILEKTQSSDGKAQMQSPA

Ligands and cofactors

IDNameFormulaCopies
PO4Phosphate ionO4 P2
GBT(8E)-3-amino-1-methyl-15-[(1H-pyrazol-1-yl)methyl]-7,10,11,12,24,25-hexahydro-6…C29 H33 N7 O31

Primary citation

Structure-Guided Design of Novel, Potent, and Selective Macrocyclic Plasma Kallikrein Inhibitors. Li, Z., Partridge, J., Silva-Garcia, A. et al. ACS Med Chem Lett (2017) 8:185-190. DOI 10.1021/acsmedchemlett.6b00384 · PubMed

Other PDB entries of the same protein (UniProt P03952 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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