AF_AFP15391F1

COMPUTED STRUCTURE MODEL OF B-LYMPHOCYTE ANTIGEN CD19

There are no experimental data to verify the accuracy of this computed structure model. See Model Confidence metrics below for all regions of the polypeptide chain

• AlphaFold DB: P15391
• Released in AlphaFold DB:  2021-07-01
  Last Modified in AlphaFold DB: 2025-08-01
• Organism(s): Homo sapiens
• UniProtKB: P15391

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Model Confidence 

• pLDDT (global): 62.22
• pLDDT (local):

Model Confidence 

•   Very high (pLDDT > 90)    
•   Confident (70 < pLDDT ≤ 90)    
•   Low (50 < pLDDT ≤ 70)    
•   Very low (pLDDT ≤ 50)    

Computed Structure Models provide per-residue confidence score (pLDDT) between 0 and 100. Some regions below 50 pLDDT may be unstructured in isolation.

Assembly  

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

Macromolecule Content 

• Total Structure Weight: 61.19 kDa 
• Atom Count: 4,304 
• Modeled Residue Count: 556 
• Deposited Residue Count: 556 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
B-lymphocyte antigen CD19	A	556	Homo sapiens	Mutation(s): 0  Gene Names: CD19
UniProt & NIH Common Fund Data Resources
Find proteins for P15391 (Homo sapiens) Explore P15391  Go to UniProtKB:  P15391
PHAROS:  P15391 GTEx:  ENSG00000177455