4EVY

Crystal structure of aminoglycoside antibiotic 6'-N-acetyltransferase AAC(6')-Ig from Acinetobacter haemolyticus in complex with tobramycin

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Aminoglycoside N(6')-acetyltransferase type 1	polymer	166	18899.3	2	UniProt (Q44057) Pfam (PF00583) In PDB	Acinetobacter haemolyticus	AAC(6')-Ig, Aminoglycoside resistance protein
2	A, B	TOBRAMYCIN	non-polymer		467.5	2	Chemie (TOY)
3	A, B	POTASSIUM ION	non-polymer		39.1	2	Chemie (K)
4	A, B	CHLORIDE ION	non-polymer		35.5	3	Chemie (CL)
5		water	water		18.0	223	Chemie (HOH)

Sequence modifications

A, B: 1 - 145 (UniProt: Q44057)

PDB	External Database	Details
Met -20	-	expression tag
Gly -19	-	expression tag
Ser -18	-	expression tag
Ser -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
Ser -10	-	expression tag
Ser -9	-	expression tag
Gly -8	-	expression tag
Arg -7	-	expression tag
Glu -6	-	expression tag
Asn -5	-	expression tag
Leu -4	-	expression tag
Tyr -3	-	expression tag
Phe -2	-	expression tag
Gln -1	-	expression tag
Gly 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	37798.6
Non-Polymers*	Number of molecules	7
	Total formula weight	1119.6
All*	Total formula weight	38918.2

*Water molecules are not included.