8GOH

Homotetramic Antiparallel Coiled-Coil of 23-residues LacI C-terminal tetramerization helix

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D, E... (A, B, C, D, E...)	LacI C-terminal tetramerization helix	polymer	23	2467.8	8	UniProt (by SIFTS) (P03023)	Escherichia coli
2	I, J, K, L (A, B, E, H)	PENTAETHYLENE GLYCOL	non-polymer		238.3	4	Chemie (1PE)
3	M, N, O, P, Q... (A, B, C, D, E...)	water	water		18.0	51	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	19742.4
Non-Polymers*	Number of molecules	4
	Total formula weight	953.1
All*	Total formula weight	20695.5

*Water molecules are not included.