1GTW

crystal structure of C/EBPbeta bZip homodimer bound to a DNA fragment from the tom-1A promoter

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	CAAT/ENHANCER BINDING PROTEIN BETA	polymer	78	9381.9	2	UniProt (P17676) Pfam (PF07716)	HOMO SAPIENS (HUMAN)	C/EBP BETA, LIVER ACTIVATOR PROTEIN, LAP, LIVER-ENRICHED INHIBITORY PROTEIN, LIP, NUCLEAR FACTOR NF-IL6, TRANSCRIPTION FACTOR 5, TCF-5
2	C (C)	5'-D(*AP*AP*TP*GP*TP*GP*GP*CP*GP*CP* AP*AP*TP*CP*CP*T)-3'	polymer	16	4898.2	1
3	D (D)	5'-D(*TP*AP*GP*GP*AP*TP*TP*GP*CP*GP* CP*CP*AP*CP*AP*T)-3'	polymer	16	4898.2	1
4	E, F, G, H (A, B, C, D)	water	water		18.0	316	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	28560.1
All*	Total formula weight	28560.1

*Water molecules are not included.