9JK3 | pdb_00009jk3

putative MgE2P of TMEM94

• PDB DOI: https://doi.org/10.2210/pdb9JK3/pdb
• EM Map EMD-61542: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): No 
• Membrane Protein: Yes  MemProtMDmpstruc


• Deposited: 2024-09-14 Released: 2025-06-11 
• Deposition Author(s): Gong, D.S.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 2.45 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structural analysis of full-length human transmembrane protein 94 argues against its classification as a P-type Mg 2+ ATPase.

Li, Y., Cong, Y., Lou, X., Li, W., Wang, R., Gong, M., Xiao, J., Qian, D., Yan, C., Gong, D.

(2025) Cell Discov 11: 54-54

• PubMed: 40461468 
• DOI: https://doi.org/10.1038/s41421-025-00806-z
• Primary Citation of Related Structures:  
  9JJK, 9JJN, 9JJO, 9JK3, 9JK4, 9JK5

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Organizational Affiliation: 
• State Key Laboratory of Medicinal Chemical Biology and College of Life Sciences, Nankai University, Tianjin, China.
School of Life Sciences, Tsinghua University, Beijing, China.
Tsinghua-Peking Joint Center for Life Sciences, Tsinghua University, Beijing, China.
Beijing Frontier Research Center for Biological Structure, Beijing Advanced Innovation Center for Structural Biology, Tsinghua University, Beijing, China.
State Key Laboratory of Membrane Biology, Tsinghua University, Beijing, China.
State Key Laboratory of Medicinal Chemical Biology and College of Life Sciences, Nankai University, Tianjin, China. [e-mail].
School of Life Sciences, Tsinghua University, Beijing, China. [e-mail].
Tsinghua-Peking Joint Center for Life Sciences, Tsinghua University, Beijing, China. [e-mail].
Beijing Frontier Research Center for Biological Structure, Beijing Advanced Innovation Center for Structural Biology, Tsinghua University, Beijing, China. [e-mail].
State Key Laboratory of Membrane Biology, Tsinghua University, Beijing, China. [e-mail].
State Key Laboratory of Medicinal Chemical Biology and College of Life Sciences, Nankai University, Tianjin, China. [e-mail].

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 157.24 kDa 
• Atom Count: 8,401 
• Modeled Residue Count: 1,054 
• Deposited Residue Count: 1,394 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Endoplasmic reticulum magnesium-transporting P-type ATPase	A	1,394	Homo sapiens	Mutation(s): 0  Gene Names: TMEM94, KIAA0195 EC: 7.2.2.14 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for Q12767 (Homo sapiens) Explore Q12767  Go to UniProtKB:  Q12767
PHAROS:  Q12767 GTEx:  ENSG00000177728
Glycosylation
Glycosylation Sites: 2		Go to GlyGen: Q12767-1

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	B, C	2		N-Glycosylation
Glycosylation Resources
GlyTouCan:  G42666HT GlyCosmos:  G42666HT GlyGen:  G42666HT

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
POV (Subject of Investigation/LOI)	D [auth A]	(2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate C42 H82 N O8 P WTJKGGKOPKCXLL-PFDVCBLKSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 2.45 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.20.1_4487:

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-06-11 
Deposition Author(s): Gong, D.S.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2025-06-11
  Type: Initial release