9MRJ | pdb_00009mrj

Neisseria meningitidis factor H binding protein

PDB DOI: https://doi.org/10.2210/pdb9MRJ/pdb

Classification: MEMBRANE PROTEIN
Organism(s): Neisseria meningitidis H44/76
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2025-01-08 Released: 2026-02-04
Deposition Author(s): Ng, D., Au, N.Y.T., Lai, C.C.C., Moraes, T.F.
Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.88 Å
R-Value Free:
0.213 (Depositor), 0.213 (DCC)
R-Value Work:
0.189 (Depositor), 0.191 (DCC)
R-Value Observed:
0.190 (Depositor)

Starting Model: in silico
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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

Neisseria meningitidis factor H binding protein at 1.88 Angstroms resolution

Ng, D., Au, N.Y.T., Lai, C.C.C., Moraes, T.F.

To be published.

Macromolecule Content

Total Structure Weight: 29.2 kDa
Atom Count: 2,079
Modeled Residue Count: 244
Deposited Residue Count: 273
Unique protein chains: 1

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Factor H binding protein	A	273	Neisseria meningitidis H44/76	Mutation(s): 0 Gene Names: fhbP, NMH_0027
UniProt
Find proteins for E6MV22 (Neisseria meningitidis serogroup B / serotype 15 (strain H44/76)) Explore E6MV22 Go to UniProtKB: E6MV22
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	E6MV22
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
SO4 (Subject of Investigation/LOI) Query on SO4 Download Ideal Coordinates CCD File SDF format, chain B [auth A] SDF format, chain C [auth A] MOL2 format, chain B [auth A] MOL2 format, chain C [auth A] mmCIF format, chain B [auth A] mmCIF format, chain C [auth A]	B [auth A], C [auth A]	SULFATE ION O₄ S QAOWNCQODCNURD-UHFFFAOYSA-L		Interactions Focus chain B [auth A] Focus chain C [auth A] Interactions & Density Focus chain B [auth A] Focus chain C [auth A]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.88 Å
R-Value Free: 0.213 (Depositor), 0.213 (DCC)
R-Value Work: 0.189 (Depositor), 0.191 (DCC)
R-Value Observed: 0.190 (Depositor)

Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 37.713	α = 90
b = 89.536	β = 90
c = 160.966	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
Aimless	data scaling
XDS	data reduction
PHASER	phasing

Structure Validation

View Full Validation Report

Ligand Structure Quality Assessment

Entry History & Funding Information

Deposition Data

Released Date: 2026-02-04

Deposition Author(s):

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	5U19AI144182

Revision History (Full details and data files)

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

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.