8TMB | pdb_00008tmb

Cryo-EM structure of CorA in complex with conformation-specific synthetic antibody C12 and 20 mM MgCl2, State MG20-1

PDB DOI: https://doi.org/10.2210/pdb8TMB/pdb
EM Map EMD-41383: EMDB EMDataResource

Classification: MEMBRANE PROTEIN
Organism(s): Thermotoga maritima, Homo sapiens
Expression System: Escherichia coli 'BL21-Gold(DE3)pLysS AG, Escherichia coli BL21
Mutation(s): No
Membrane Protein: Yes PDBTM MemProtMD

Deposited: 2023-07-29 Released: 2025-02-12
Deposition Author(s): Erramilli, S.K., Perozo, E., Kossiakoff, A.A.
Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.60 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

Validation slider image for 8TMB

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

Literature

Structural basis for CorA channel gating using conformation-specific synthetic antibodies

Erramilli, S.K., Nosol, K., Pietrzak-Lichwa, K., Li, T., Dutka, P., Hou, J., Zhao, M., Perozo, E., Kossiakoff, A.A.

To be published.

Macromolecule Content

Total Structure Weight: 269.84 kDa
Atom Count: 16,229
Modeled Residue Count: 1,961
Deposited Residue Count: 2,321
Unique protein chains: 3

Macromolecules

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Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cobalt/magnesium transport protein CorA	A, B, C, D, E	373	Thermotoga maritima	Mutation(s): 0 Gene Names: corA Membrane Entity: Yes
UniProt
Find proteins for Q9WZ31 (Thermotoga maritima (strain ATCC 43589 / DSM 3109 / JCM 10099 / NBRC 100826 / MSB8)) Explore Q9WZ31 Go to UniProtKB: Q9WZ31
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q9WZ31
Sequence Annotations Expand
Reference Sequence

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Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
sAB C12 Heavy Chain	F [auth H]	241	Homo sapiens	Mutation(s): 0

Find similar proteins by:

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
sAB C12 Light Chain	G [auth L]	215	Homo sapiens	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
MG (Subject of Investigation/LOI) Query on MG Download:Ideal Coordinates CCD File SDF format, chain M [auth E] SDF format, chain L [auth D] SDF format, chain K [auth D] SDF format, chain J [auth D] SDF format, chain I [auth D] SDF format, chain H [auth B] MOL2 format, chain M [auth E] MOL2 format, chain L [auth D] MOL2 format, chain K [auth D] MOL2 format, chain J [auth D] MOL2 format, chain I [auth D] MOL2 format, chain H [auth B] mmCIF format, chain M [auth E] mmCIF format, chain L [auth D] mmCIF format, chain K [auth D] mmCIF format, chain J [auth D] mmCIF format, chain I [auth D] mmCIF format, chain H [auth B]	H [auth B] I [auth D] J [auth D] K [auth D] L [auth D] H [auth B], I [auth D], J [auth D], K [auth D], L [auth D], M [auth E]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Interactions Focus chain H [auth B] Focus chain I [auth D] Focus chain J [auth D] Focus chain K [auth D] Focus chain L [auth D] Focus chain M [auth E] Interactions & Density Focus chain H [auth B] Focus chain I [auth D] Focus chain J [auth D] Focus chain K [auth D] Focus chain L [auth D] Focus chain M [auth E]

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.60 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	dev_4142:
RECONSTRUCTION	cryoSPARC

Structure Validation

View Full Validation Report

View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2025-02-12

Deposition Author(s):

Erramilli, S.K.

Kossiakoff, A.A.

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	GM117372

Revision History (Full details and data files)

Version 1.0: 2025-02-12
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.