9I38 | pdb_00009i38

Solution structure of the de novo designed monoheme protein m4D2 with bound iron(III) 2,4-dimethyldeuteroporphyrin IX

PDB DOI: https://doi.org/10.2210/pdb9I38/pdb
BMRB: 34977

Classification: DE NOVO PROTEIN
Organism(s): test organism
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2025-01-22 Released: 2026-02-04
Deposition Author(s): Williams, C., Hutchins, G.H., Molinaro, P.M., Berrones-Reyes, J.C., Lichtenstein, B.R., Koder, R.L., Anderson, J.L.R.
Funding Organization(s): Biotechnology and Biological Sciences Research Council (BBSRC)

Experimental Data Snapshot

Method: SOLUTION NMR
Conformers Calculated: 20
Conformers Submitted: 20
Selection Criteria: structures with the least restraint violations

wwPDB Validation 3D Report Full Report

Validation slider image for 9I38

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

Literature

Solution structure of the de novo designed monoheme protein m4D2 with bound iron(III) 2,4-dimethyldeuteroporphyrin IX

Williams, C., Hutchins, G.H., Molinaro, P.M., Berrones-Reyes, J.C., Lichtenstein, B.R., Koder, R.L., Anderson, J.L.R.

To be published.

Macromolecule Content

Total Structure Weight: 13.49 kDa
Atom Count: 947
Modeled Residue Count: 112
Deposited Residue Count: 112
Unique protein chains: 1

Macromolecules

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Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
m4D2	A	112	test organism	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
FDD (Subject of Investigation/LOI) Query on FDD 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]	FE(III) 2,4-DIMETHYL DEUTEROPORPHYRIN IX C₃₂ H₃₂ Fe N₄ O₄ FALMRKXKKOZWNG-YDTHOXGASA-L		Interactions Focus chain B [auth A]

Experimental Data & Validation

Experimental Data

Method: SOLUTION NMR
Conformers Calculated: 20
Conformers Submitted: 20
Selection Criteria: structures with the least restraint violations

Structure Validation

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Entry History

& Funding Information

Deposition Data

Released Date: 2026-02-04

Deposition Author(s):

Berrones-Reyes, J.C.

Lichtenstein, B.R.

Anderson, J.L.R.

Funding Organization	Location	Grant Number
Biotechnology and Biological Sciences Research Council (BBSRC)	United Kingdom	B/W003449/1

Revision History (Full details and data files)

Version 1.0: 2026-02-04
Type: Initial release

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.