7JOD | pdb_00007jod

Crystal structure of BbKI complexed with Human Kallikrein 4

PDB DOI: https://doi.org/10.2210/pdb7JOD/pdb

Classification: HYDROLASE/HYDROLASE INHIBITOR
Organism(s): Homo sapiens, Bauhinia bauhinioides
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2020-08-06 Released: 2021-07-21
Deposition Author(s): Li, M., Wlodawer, A., Gustchina, A.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.33 Å
R-Value Free:
0.133 (Depositor), 0.152 (DCC)
R-Value Work:
0.114 (Depositor)
R-Value Observed:
0.114 (Depositor)

Starting Models: experimental
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wwPDB Validation 3D Report Full Report

This is version 1.3 of the entry. See complete history.

Literature

Structural studies of complexes of kallikrein 4 with wild-type and mutated forms of the Kunitz-type inhibitor BbKI

Li, M., Srp, J., Mares, M., Wlodawer, A., Gustchina, A.

(2021) Acta Crystallogr D Biol Crystallogr 77: 1084-1098

DOI: https://doi.org/10.1107/S2059798321006483

Macromolecule Content

Total Structure Weight: 43.7 kDa
Atom Count: 3,796
Modeled Residue Count: 389
Deposited Residue Count: 389
Unique protein chains: 2

Macromolecules

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Kallikrein 4 (Prostase, enamel matrix, prostate), isoform CRA_a	A [auth E]	223	Homo sapiens	Mutation(s): 0 Gene Names: KLK4, KLNB1, hCG_1641510 EC: 3.4.21
UniProt & NIH Common Fund Data Resources
Find proteins for Q9Y5K2 (Homo sapiens) Explore Q9Y5K2 Go to UniProtKB: Q9Y5K2
PHAROS: Q9Y5K2 GTEx: ENSG00000167749
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q9Y5K2
Sequence Annotations Expand
Reference Sequence

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| 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Kunitz-type inihibitor	B [auth I]	166	Bauhinia bauhinioides	Mutation(s): 0
UniProt
Find proteins for P83052 (Bauhinia bauhinioides) Explore P83052 Go to UniProtKB: P83052
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P83052
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
2PE Query on 2PE Download:Ideal Coordinates CCD File SDF format, chain G [auth I] SDF format, chain D [auth E] SDF format, chain C [auth E] MOL2 format, chain G [auth I] MOL2 format, chain D [auth E] MOL2 format, chain C [auth E] mmCIF format, chain G [auth I] mmCIF format, chain D [auth E] mmCIF format, chain C [auth E]	C [auth E], D [auth E], G [auth I]	NONAETHYLENE GLYCOL C₁₈ H₃₈ O₁₀ YZUUTMGDONTGTN-UHFFFAOYSA-N		Interactions Focus chain C [auth E] Focus chain D [auth E] Focus chain G [auth I] Interactions & Density Focus chain C [auth E] Focus chain D [auth E] Focus chain G [auth I]
CD Query on CD Download:Ideal Coordinates CCD File SDF format, chain F [auth E] SDF format, chain E MOL2 format, chain F [auth E] MOL2 format, chain E mmCIF format, chain F [auth E] mmCIF format, chain E	E, F [auth E]	CADMIUM ION Cd WLZRMCYVCSSEQC-UHFFFAOYSA-N		Interactions Focus chain E Focus chain F [auth E] Interactions & Density Focus chain E Focus chain F [auth E]
SO4 Query on SO4 Download:Ideal Coordinates CCD File SDF format, chain J [auth I] MOL2 format, chain J [auth I] mmCIF format, chain J [auth I]	J [auth I]	SULFATE ION O₄ S QAOWNCQODCNURD-UHFFFAOYSA-L		Interactions Focus chain J [auth I] Interactions & Density Focus chain J [auth I]
CL Query on CL Download:Ideal Coordinates CCD File SDF format, chain I SDF format, chain H [auth I] MOL2 format, chain I MOL2 format, chain H [auth I] mmCIF format, chain I mmCIF format, chain H [auth I]	H [auth I], I	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M		Interactions Focus chain H [auth I] Focus chain I Interactions & Density Focus chain H [auth I] Focus chain I