4G4P

Crystal structure of glutamine-binding protein from Enterococcus faecalis at 1.5 A

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Amino acid ABC transporter, amino acid-binding/permease protein	polymer	244	27297.6	1	UniProt (Q837S0) Pfam (PF00497)	Enterococcus faecalis
2	B (A)	2-(N-MORPHOLINO)-ETHANESULFONIC ACID	non-polymer		195.2	1	Chemie (MES)
3	C (A)	GLUTAMINE	non-polymer		146.1	1	Chemie (GLN)
4	D (A)	water	water		18.0	373	Chemie (HOH)

Sequence modifications

A: 21 - 244 (UniProt: Q837S0)

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

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	27297.6
Non-Polymers*	Number of molecules	2
	Total formula weight	341.4
All*	Total formula weight	27638.9

*Water molecules are not included.