2IQA

PFA2 FAB fragment, monoclinic apo form

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	L, A	IgG2a Fab fragment PFA2 Kappa light chain	polymer	219	24146.8	2	UniProt (A2NHM3) Pfam (PF07686) Pfam (PF07654) In PDB	Mus musculus (house mouse)
2	H, B	IgG2a Fab fragment PFA2 heavy chain	polymer	223	23904.0	2	UniProt (Q811U5) Pfam (PF07686) In PDB	Mus musculus (house mouse)
3	L, A	ACETAMIDE	non-polymer		59.1	2	Chemie (ACM)
4	L, H, A, B	GLYCEROL	non-polymer		92.1	8	Chemie (GOL)
5	H	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
6		water	water		18.0	272	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	96101.6
Non-Polymers*	Number of molecules	11
	Total formula weight	890.3
All*	Total formula weight	96992.0

*Water molecules are not included.