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9U61 image
Deposition Date 2025-03-22
Release Date 2026-01-14
Last Version Date 2026-01-14
Entry Detail
PDB ID:
9U61
Keywords:
IMMUNE SYSTEM
Title:
CP/MBL pathways C3 convertase C4b2a and C3 complex
Biological Source:
Source Organism(s):
Homo sapiens (Taxon ID: 9606)
Expression System(s):
Homo sapiens
Method Details:
Experimental Method:
ELECTRON MICROSCOPY
Resolution:
3.10 Å
Aggregation State:
PARTICLE
Reconstruction Method:
SINGLE PARTICLE
9U61 validation report
Macromolecular Entities
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Serine protease complement C2b
Gene (Uniprot):C2
Chain IDs:A (auth: B)
Chain Length:509
Number of Molecules:1
Biological Source:Homo sapiens
UniProt ID:P06681 Pfam ID:PF00092, PF00089
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Complement C3
Gene (Uniprot):C3
Chain IDs:B (auth: D), D (auth: C)
Chain Length:1663
Number of Molecules:2
Biological Source:Homo sapiens
UniProt ID:P01024 Pfam ID:PF17790, PF01835, PF17791, PF17789, PF07703, PF01821, PF00207, PF21406, PF07678, PF21308, PF07677, PF01759 EC:3.4.21.47
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Complement C4-B
Gene (Uniprot):C4B, C4B_2
Chain IDs:C (auth: E)
Chain Length:1744
Number of Molecules:1
Biological Source:Homo sapiens
UniProt ID:P0C0L5 Pfam ID:PF21145, PF01835, PF17791, PF17789, PF07703, PF01821, PF00207, PF07678, PF22661, PF07677, PF01759
Ligand Molecules
NAG
NI
Primary Citation
Complement C3 Recognition by C3 Convertases
Sci Adv ? ? ? (2026)
Primary Citation of related structures
9U61
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