9TJP | pdb_00009tjp

X-ray structure of CYP123 from Mycobacterium smegmatis with bound polyethylene glycol (PEG)

PDB DOI: https://doi.org/10.2210/pdb9TJP/pdb

Classification: OXIDOREDUCTASE
Organism(s): Mycolicibacterium smegmatis MC2 155
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2025-12-07 Released: 2026-11-04
Deposition Author(s): Dongxu, Y., Remi, Z., Yi, J.
Funding Organization(s): Wellcome Trust

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.19 Å
R-Value Free:
0.272 (Depositor), 0.277 (DCC)
R-Value Work:
0.210 (Depositor), 0.216 (DCC)

Starting Model: in silico
View more details

wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

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

Literature

Functional Characterisation of Mycobacterium CYP123 in the Hydroxylation of Methyl Groups at the C-4 Position in Sterols

Dongxu, Y., Lauren, H., Hannah, R., Remi, Z., Yi, J.

To be published.

Macromolecule Content

Total Structure Weight: 91.26 kDa
Atom Count: 6,582
Modeled Residue Count: 793
Deposited Residue Count: 794
Unique protein chains: 1

Macromolecules

Find similar proteins by:

| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Steroid C26-monooxygenase	A, B	397	Mycolicibacterium smegmatis MC2 155	Mutation(s): 0 Gene Names: cyp123, MSMEI_5702
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
HEM (Subject of Investigation/LOI) Query on HEM Download:Ideal Coordinates CCD File SDF format, chain D [auth A] SDF format, chain F [auth B] MOL2 format, chain D [auth A] MOL2 format, chain F [auth B] mmCIF format, chain D [auth A] mmCIF format, chain F [auth B]	D [auth A], F [auth B]	PROTOPORPHYRIN IX CONTAINING FE C₃₄ H₃₂ Fe N₄ O₄ KABFMIBPWCXCRK-RGGAHWMASA-L		Interactions Focus chain D [auth A] Focus chain F [auth B] Interactions & Density Focus chain D [auth A] Focus chain F [auth B]
CIT Query on CIT Download:Ideal Coordinates CCD File SDF format, chain E [auth A] SDF format, chain H [auth B] MOL2 format, chain E [auth A] MOL2 format, chain H [auth B] mmCIF format, chain E [auth A] mmCIF format, chain H [auth B]	E [auth A], H [auth B]	CITRIC ACID C₆ H₈ O₇ KRKNYBCHXYNGOX-UHFFFAOYSA-N		Interactions Focus chain E [auth A] Focus chain H [auth B] Interactions & Density Focus chain E [auth A] Focus chain H [auth B]
PEG (Subject of Investigation/LOI) Query on PEG Download:Ideal Coordinates CCD File SDF format, chain C [auth A] SDF format, chain G [auth B] MOL2 format, chain C [auth A] MOL2 format, chain G [auth B] mmCIF format, chain C [auth A] mmCIF format, chain G [auth B]	C [auth A], G [auth B]	DI(HYDROXYETHYL)ETHER C₄ H₁₀ O₃ MTHSVFCYNBDYFN-UHFFFAOYSA-N		Interactions Focus chain C [auth A] Focus chain G [auth B] Interactions & Density Focus chain C [auth A] Focus chain G [auth B]