4U02

Crystal structure of apo-TTHA1159

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D	Amino acid ABC transporter, ATP-binding protein	polymer	244	27830.4	4	UniProt (Q5SJ55) Pfam (PF00005) In PDB	Thermus thermophilus HB8
2	A, B, C, D	SULFATE ION	non-polymer		96.1	4	Chemie (SO4)
3		water	water		18.0	304	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	111321.7
Non-Polymers*	Number of molecules	4
	Total formula weight	384.3
All*	Total formula weight	111705.9

*Water molecules are not included.