5GIR

Crystal structure of a Fab fragment with its ligand peptide

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	H, A	Heavy chain of Fab fragment	polymer	240	25712.9	2		Mus musculus
2	L, B	Light chain of Fab fragment	polymer	234	26006.9	2		Mus musculus
3	C, D	LYS-PRO-ILE-ILE-ILE-GLY-SER-HIS-ALA-TYR-GLY-ASP	polymer	12	1272.5	2	UniProt (by SIFTS) (O75874) In PDB	Homo sapiens
4	H, L, A, B	SULFATE ION	non-polymer		96.1	9	Chemie (SO4)
5	A	1,2-ETHANEDIOL	non-polymer		62.1	2	Chemie (EDO)
6		water	water		18.0	495	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	105984.6
Non-Polymers*	Number of molecules	11
	Total formula weight	988.7
All*	Total formula weight	106973.3

*Water molecules are not included.