8CEM

Structure of bovine native C3, re-refinement

Replaces:  2B39

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C (E, F)	Complement C3 beta chain	polymer	643	71474.3	2	UniProt (Q2UVX4) Pfam (PF17791) Pfam (PF17789) Pfam (PF07703) Pfam (PF17790) Pfam (PF01835)	Bos taurus (cattle)
2	B, D (A, B)	Complement C3 alpha chain	polymer	992	113197.1	2	UniProt (Q2UVX4) Pfam (PF01821) Pfam (PF00207) Pfam (PF21406) Pfam (PF07678) Pfam (PF21308) Pfam (PF07677) Pfam (PF01759)	Bos taurus (cattle)
3	E, F (C, D)	beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		586.5	2	In PDB GlyTouCan (G15407YE)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	369342.8
Branched	Number of molecules	2
	Total formula weight	1173.1
All*	Total formula weight	370515.8

*Water molecules are not included.