35VI | pdb_000035vi

cAMP-bound SthK monomer from symmetry expanded particles - POPA class 6

PDB DOI: https://doi.org/10.2210/pdb35VI/pdb
EM Map EMD-77224: EMDB EMDataResource

Classification: MEMBRANE PROTEIN
Organism(s): Winmispira thermophila DSM 6578
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2026-05-19 Released: 2026-10-14
Deposition Author(s): Newton, A.N., Kuforiji, A.E., Schmidpeter, P.A.
Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.72 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

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

Literature

Concentration-dependent switching between ligand-like and solvent-like lipid regulation in a model ion channel

Newton, A.J., Kuforiji, A.E., Schmidpeter, P.A.

(2026) Nat Commun

Macromolecule Content

Total Structure Weight: 51.45 kDa
Atom Count: 3,096
Modeled Residue Count: 386
Deposited Residue Count: 456
Unique protein chains: 1

Macromolecules

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Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative transcriptional regulator, Crp/Fnr family	A	456	Winmispira thermophila DSM 6578	Mutation(s): 0 Gene Names: Spith_0644
UniProt
Find proteins for G0GA88 (Winmispira thermophila (strain ATCC 700085 / DSM 6578 / Z-1203)) Explore G0GA88 Go to UniProtKB: G0GA88
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	G0GA88
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
CMP Query on CMP 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]	ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE C₁₀ H₁₂ N₅ O₆ P IVOMOUWHDPKRLL-KQYNXXCUSA-N		Interactions Focus chain B [auth A] Interactions & Density Focus chain B [auth A]

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.72 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.21.2_5419
MODEL REFINEMENT	Coot	0.9
RECONSTRUCTION	RELION	5.0

Structure Validation

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Entry History

& Funding Information

Deposition Data

Released Date: 2026-10-14

Deposition Author(s):

Schmidpeter, P.A.

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	R35GM159863

Revision History (Full details and data files)

Version 1.0: 2026-10-14
Type: Initial release