3G6J

C3b in complex with a C3b specific Fab

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	Complement C3 beta chain	polymer	644	71322.2	2	UniProt (P01024) Pfam (PF17790) Pfam (PF01835) Pfam (PF17791) Pfam (PF17789) Pfam (PF07703) In PDB	Homo sapiens (human)	Complement C3, C3 and PZP-like alpha-2-macroglobulin domain-containing protein 1
2	B, D	Complement C3 alpha chain	polymer	915	104073.2	2	UniProt (P01024) Pfam (PF07677) Pfam (PF01759) Pfam (PF00207) Pfam (PF21406) Pfam (PF07678) Pfam (PF21308) In PDB	Homo sapiens (human)	Complement C3, C3 and PZP-like alpha-2-macroglobulin domain-containing protein 1
3	E, G	Fab light chain	polymer	214	23345.9	2		Homo sapiens (human)
4	F, H	Fab heavy chain	polymer	226	23793.6	2		Homo sapiens (human)
5	A, C	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	445069.7
Non-Polymers*	Number of molecules	2
	Total formula weight	80.2
All*	Total formula weight	445149.8

*Water molecules are not included.