9KTC | pdb_00009ktc

Mn(II)-bound CpfC (HemH) Y13C variant modified with bromobimane

PDB DOI: https://doi.org/10.2210/pdb9KTC/pdb

Classification: BIOSYNTHETIC PROTEIN
Organism(s): Bacillus subtilis subsp. subtilis str. 168
Expression System: Escherichia coli BL21(DE3)
Mutation(s): Yes

Deposited: 2024-12-02 Released: 2025-12-10
Deposition Author(s): Shishido, M., Fujiishiro, T.
Funding Organization(s): Japan Society for the Promotion of Science (JSPS)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.50 Å
R-Value Free:
0.246 (Depositor), 0.246 (DCC)
R-Value Work:
0.206 (Depositor), 0.207 (DCC)
R-Value Observed:
0.208 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.0 of the entry. See complete history.

Literature

Engineering of class II chelatase CpfC as an artificial fluorescent metal sensor protein

Shishido, M., Fujishiro, T.

To be published.

Macromolecule Content

Total Structure Weight: 37.75 kDa
Atom Count: 2,877
Modeled Residue Count: 309
Deposited Residue Count: 326
Unique protein chains: 1

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Coproporphyrin III ferrochelatase	A	326	Bacillus subtilis subsp. subtilis str. 168	Mutation(s): 1 Gene Names: cpfC, hemF, hemH, BSU10130 EC: 4.99.1.9
UniProt
Find proteins for P32396 (Bacillus subtilis (strain 168)) Explore P32396 Go to UniProtKB: P32396
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P32396
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
9UM (Subject of Investigation/LOI) Query on 9UM Download Ideal Coordinates CCD File SDF format, chain B [auth A] MOL2 format, chain B [auth A] mmCIF format, chain B [auth A]	B [auth A]	3-(bromomethyl)-2,5,6-trimethyl-1H,7H-pyrazolo[1,2-a]pyrazole-1,7-dione C₁₀ H₁₁ Br N₂ O₂ AHEWZZJEDQVLOP-UHFFFAOYSA-N		Interactions Focus chain B [auth A] Interactions & Density Focus chain B [auth A]
MN Query on MN Download Ideal Coordinates CCD File SDF format, chain F [auth A] SDF format, chain H [auth A] SDF format, chain G [auth A] MOL2 format, chain F [auth A] MOL2 format, chain H [auth A] MOL2 format, chain G [auth A] mmCIF format, chain F [auth A] mmCIF format, chain H [auth A] mmCIF format, chain G [auth A]	F [auth A], G [auth A], H [auth A]	MANGANESE (II) ION Mn WAEMQWOKJMHJLA-UHFFFAOYSA-N		Interactions Focus chain F [auth A] Focus chain G [auth A] Focus chain H [auth A] Interactions & Density Focus chain F [auth A] Focus chain G [auth A] Focus chain H [auth A]
CL Query on CL Download Ideal Coordinates CCD File SDF format, chain I [auth A] SDF format, chain J [auth A] MOL2 format, chain I [auth A] MOL2 format, chain J [auth A] mmCIF format, chain I [auth A] mmCIF format, chain J [auth A]	I [auth A], J [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M		Interactions Focus chain I [auth A] Focus chain J [auth A] Interactions & Density Focus chain I [auth A] Focus chain J [auth A]
MG Query on MG Download Ideal Coordinates CCD File SDF format, chain D [auth A] SDF format, chain E [auth A] SDF format, chain C [auth A] MOL2 format, chain D [auth A] MOL2 format, chain E [auth A] MOL2 format, chain C [auth A] mmCIF format, chain D [auth A] mmCIF format, chain E [auth A] mmCIF format, chain C [auth A]	C [auth A], D [auth A], E [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Interactions Focus chain C [auth A] Focus chain D [auth A] Focus chain E [auth A] Interactions & Density Focus chain C [auth A] Focus chain D [auth A] Focus chain E [auth A]