7WSP | pdb_00007wsp

Structure of a membrane protein M

• PDB DOI: https://doi.org/10.2210/pdb7WSP/pdb
• EM Map EMD-32763: EMDB EMDataResource

• Classification: IMMUNE SYSTEM
• Organism(s): Homo sapiens
• Expression System: Homo sapiens
• Mutation(s): No 
• Membrane Protein: Yes  PDBTM


• Deposited: 2022-01-30 Released: 2023-02-01 
• Deposition Author(s): Ma, X., Zhu, Y., Chen, Y., Huang, Z.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

---

Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 4.09 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

Structure of a membrane protein M

Ma, X., Zhu, Y., Chen, Y., Huang, Z.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 4-mer - A2B1C1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 4-mer - A1B1C1D1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 112.72 kDa 
• Atom Count: 7,883 
• Modeled Residue Count: 1,009 
• Deposited Residue Count: 1,009 
• Unique protein chains: 4

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
B-cell antigen receptor complex-associated protein alpha chain	A	137	Homo sapiens	Mutation(s): 0  Gene Names: CD79A, IGA, MB1 Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P11912 (Homo sapiens) Explore P11912  Go to UniProtKB:  P11912
PHAROS:  P11912 GTEx:  ENSG00000105369

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
B-cell antigen receptor complex-associated protein beta chain	B [auth C]	139	Homo sapiens	Mutation(s): 0  Gene Names: CD79B, B29, IGB Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P40259 (Homo sapiens) Explore P40259  Go to UniProtKB:  P40259
PHAROS:  P40259 GTEx:  ENSG00000007312

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Isoform 2 of Immunoglobulin heavy constant mu	C [auth B]	366	Homo sapiens	Mutation(s): 0  Gene Names: IGHM Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P01871 (Homo sapiens) Explore P01871  Go to UniProtKB:  P01871
PHAROS:  P01871 GTEx:  ENSG00000211899

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Isoform 2 of Immunoglobulin heavy constant mu	D	367	Homo sapiens	Mutation(s): 0  Gene Names: IGHM Membrane Entity: Yes
UniProt & NIH Common Fund Data Resources
Find proteins for P01871 (Homo sapiens) Explore P01871  Go to UniProtKB:  P01871
PHAROS:  P01871 GTEx:  ENSG00000211899

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 4.09 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2023-02-01 
Deposition Author(s): Ma, X., Zhu, Y., Chen, Y., Huang, Z.

---

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	--

Revision History  

• Version 1.0: 2023-02-01
  Type: Initial release
  
• Version 1.1: 2024-10-16
  Changes: Data collection, Structure summary