4F3S

Crystal structure of periplasmic D-alanine ABC transporter from Salmonella enterica

Replaces:  3R39

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Putative periplasmic binding protein	polymer	255	29598.5	1	UniProt (Q8ZPA3) Pfam (PF00497)	Salmonella enterica subsp. enterica serovar Typhimurium
2	B (A)	GLYCINE	non-polymer		75.1	1	Chemie (GLY)
3	C (A)	D-ALANINE	non-polymer		89.1	1	Chemie (DAL)
4	D (A)	PHOSPHATE ION	non-polymer		95.0	1	Chemie (PO4)
5	E (A)	water	water		18.0	70	Chemie (HOH)

Sequence modifications

A: 3 - 233 (UniProt: Q8ZPA3)

PDB	External Database	Details
Mse 1	-	expression tag
Val 2	-	expression tag
Ala 234	-	expression tag
Glu 235	-	expression tag
Asn 236	-	expression tag
Leu 237	-	expression tag
Tyr 238	-	expression tag
Phe 239	-	expression tag
Gln 240	-	expression tag
Ser 241	-	expression tag
His 242	-	expression tag
His 243	-	expression tag
His 244	-	expression tag
His 245	-	expression tag
His 246	-	expression tag
His 247	-	expression tag
Trp 248	-	expression tag
Ser 249	-	expression tag
His 250	-	expression tag
Pro 251	-	expression tag
Gln 252	-	expression tag
Phe 253	-	expression tag
Glu 254	-	expression tag
Lys 255	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	29598.5
Non-Polymers*	Number of molecules	3
	Total formula weight	259.1
All*	Total formula weight	29857.6

*Water molecules are not included.