3KKI

PLP-Dependent Acyl-CoA transferase CqsA

Replaces:  3HQS

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)	CAI-1 autoinducer synthase	polymer	409	45812.8	2	UniProt (Q9KM65) Pfam (PF00155)	Vibrio cholerae	Cholerae quorum-sensing autoinducer
2	C, H (A, B)	PYRIDOXAL-5'-PHOSPHATE	non-polymer		247.1	2	Chemie (PLP)
3	D, I (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
4	E, G (A, B)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
5	F, J (A, B)	2,3-DIHYDROXY-1,4-DITHIOBUTANE	non-polymer		154.3	2	Chemie (DTT)
6	K, L (A, B)	water	water		18.0	483	Chemie (HOH)

Sequence modifications

A, B: 1 - 389 (UniProt: Q9KM65)

PDB	External Database	Details
Met -19	-	expression tag
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	91625.7
Non-Polymers*	Number of molecules	8
	Total formula weight	1043.5
All*	Total formula weight	92669.2

*Water molecules are not included.