7EJ2 | pdb_00007ej2

human voltage-gated potassium channel KV1.3 H451N mutant

• PDB DOI: https://doi.org/10.2210/pdb7EJ2/pdb
• EM Map EMD-31149: EMDB EMDataResource

• Classification: MEMBRANE PROTEIN
• Organism(s): Homo sapiens
• Expression System: Spodoptera frugiperda
• Mutation(s): Yes 
• Membrane Protein: Yes  OPMPDBTMMemProtMDmpstruc


• Deposited: 2021-04-01 Released: 2021-06-09 
• Deposition Author(s): Liu, S., Zhao, Y., Tian, C.

---

Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.30 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structures of wild-type and H451N mutant human lymphocyte potassium channel K V 1.3.

Liu, S., Zhao, Y., Dong, H., Xiao, L., Zhang, Y., Yang, Y., Ong, S.T., Chandy, K.G., Zhang, L., Tian, C.

(2021) Cell Discov 7: 39-39

• PubMed: 34059645 
• DOI: https://doi.org/10.1038/s41421-021-00269-y
• Primary Citation of Related Structures:  
  7EJ1, 7EJ2

---

Organizational Affiliation: 
• Hefei National Laboratory of Physical Sciences at Microscale, Anhui Laboratory of Advanced Photonic Science and Technology, and School of Life Sciences, University of Science and Technology of China, Hefei, Anhui, China.
Kuang Yaming Honors School and Institute for Brain Sciences, Nanjing University, Nanjing, Jiangsu, China. [e-mail].
Kuang Yaming Honors School and Institute for Brain Sciences, Nanjing University, Nanjing, Jiangsu, China.
Lee Kong Chian School of Medicine, Nanyang Technological University Singapore, Singapore, Singapore.
Hefei National Laboratory of Physical Sciences at Microscale, Anhui Laboratory of Advanced Photonic Science and Technology, and School of Life Sciences, University of Science and Technology of China, Hefei, Anhui, China. [e-mail].
Hefei National Laboratory of Physical Sciences at Microscale, Anhui Laboratory of Advanced Photonic Science and Technology, and School of Life Sciences, University of Science and Technology of China, Hefei, Anhui, China. [e-mail].
High Magnetic Field Laboratory, Chinese Academy of Sciences, Hefei, Anhui, China. [e-mail].
Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China. [e-mail].

Biological Assembly 1  

Global Symmetry: Cyclic - C4  (Explore in 3D)
Global Stoichiometry: Hetero 8-mer - A4B4 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 422.7 kDa 
• Atom Count: 20,968 
• Modeled Residue Count: 2,728 
• Deposited Residue Count: 3,768 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Voltage-gated potassium channel subunit beta-2	A, C, E, G	367	Homo sapiens	Mutation(s): 0  Gene Names: KCNAB2, KCNA2B, KCNK2 EC: 1.1.1 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for Q13303 (Homo sapiens) Explore Q13303  Go to UniProtKB:  Q13303
PHAROS:  Q13303 GTEx:  ENSG00000069424

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Potassium voltage-gated channel subfamily A member 3	B, D, F, H	575	Homo sapiens	Mutation(s): 1  Gene Names: KCNA3, HGK5 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P22001 (Homo sapiens) Explore P22001  Go to UniProtKB:  P22001
PHAROS:  P22001 GTEx:  ENSG00000177272

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAP	I [auth A], J [auth C], K [auth E], L [auth G]	NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE C21 H28 N7 O17 P3 XJLXINKUBYWONI-NNYOXOHSSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.30 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History 

Deposition Data

• Released Date: 2021-06-09 
Deposition Author(s): Liu, S., Zhao, Y., Tian, C.

Revision History  

• Version 1.0: 2021-06-09
  Type: Initial release
  
• Version 1.1: 2024-06-05
  Changes: Data collection, Database references