4BH9

A structural model of CAP mutant (T127L and S128I) in the apo state

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	cAMP-activated global transcriptional regulator CRP	polymer	209	23579.4	1	UniProt (P0ACJ8) Pfam (PF00027) Pfam (PF13545) In PDB	Escherichia coli	Catabolite activator protein,CAP,Catabolite gene activator,cAMP receptor protein,CRP,cAMP regulatory protein

Sequence modifications

A: 1 - 209 (UniProt: P0ACJ8)

PDB	External Database	Details
Leu 127	Thr 128	engineered mutation
Ile 128	Ser 129	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	23579.4
All*	Total formula weight	23579.4

*Water molecules are not included.