6KJU

Huge conformation shift of Vibrio cholerae VqmA dimer in the absence of target DNA provides insight into DNA-binding mechanisms of LuxR-type receptors

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)	Helix-turn-helix transcriptional regulator	polymer	254	28625.8	2	UniProt (A0A0F0AZW0) Pfam (PF08448) Pfam (PF00196) UniProt (by SIFTS) (Q9KKM5)	Vibrio cholerae	LuxR family transcriptional regulator,PAS domain S-box protein,Transcriptional regulator,LuxR family
2	C, D (A, B)	3,5-dimethylpyrazin-2-ol	non-polymer		124.1	2	Chemie (A1U)
3	E, F (A, B)	water	water		18.0	275	Chemie (HOH)

Sequence modifications

A, B: 1 - 246 (UniProt: A0A0F0AZW0)

PDB	External Database	Details
Leu 247	-	expression tag
Glu 248	-	expression tag
His 249	-	expression tag
His 250	-	expression tag
His 251	-	expression tag
His 252	-	expression tag
His 253	-	expression tag
His 254	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	57251.6
Non-Polymers*	Number of molecules	2
	Total formula weight	248.3
All*	Total formula weight	57499.9

*Water molecules are not included.