1NFI

I-KAPPA-B-ALPHA/NF-KAPPA-B COMPLEX

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	NF-KAPPA-B P65	polymer	301	34547.2	2	UniProt (Q04206) Pfam (PF00554) Pfam (PF16179) In PDB	Homo sapiens (human)
2	B, D	NF-KAPPA-B P50	polymer	107	12442.1	2	UniProt (P19838) Pfam (PF16179) In PDB	Homo sapiens (human)
3	E, F	I-KAPPA-B-ALPHA	polymer	213	23312.5	2	UniProt (P25963) Pfam (PF00023) In PDB	Homo sapiens (human)
4		water	water		18.0	71	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	140603.7
All*	Total formula weight	140603.7

*Water molecules are not included.