3Q7S

2.1A resolution structure of the ChxR receiver domain containing I3C from Chlamydia trachomatis

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Transcriptional regulatory protein	polymer	121	14260.3	2	UniProt (B0BA84) Pfam (PF22368) UniProt (by SIFTS) (A0A0H3MDW1) In PDB	Chlamydia trachomatis
2	A, B	5-amino-2,4,6-triiodobenzene-1,3-dicarboxylic acid	non-polymer		558.8	3	Chemie (I3C)
3		water	water		18.0	77	Chemie (HOH)

Sequence modifications

A, B: 2 - 113 (UniProt: B0BA84)

PDB	External Database	Details
Met -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
Arg 0	-	expression tag
Thr 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	28520.7
Non-Polymers*	Number of molecules	3
	Total formula weight	1676.5
All*	Total formula weight	30197.2

*Water molecules are not included.