4H5G

Crystal structure of an amino acid ABC transporter substrate-binding protein from Streptococcus pneumoniae Canada MDR_19A bound to L-arginine, form 2

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Amino acid ABC superfamily ATP binding cassette transporter, binding protein	polymer	243	26175.6	2	UniProt (D6ZRZ2) In PDB	Streptococcus pneumoniae
2	A, B	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
3	A, B	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	3	Chemie (PEG)
4	A	ACETATE ION	non-polymer		59.0	2	Chemie (ACT)
5	A, B	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
6	A, B	1,2-ETHANEDIOL	non-polymer		62.1	4	Chemie (EDO)
7	A, B	ARGININE	non-polymer		175.2	2	Chemie (ARG)
8		water	water		18.0	419	Chemie (HOH)

Sequence modifications

A, B: 30 - 271 (UniProt: D6ZRZ2)

PDB	External Database	Details
Gly 29	-	expression tag
His 136	Arg 136	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	52351.1
Non-Polymers*	Number of molecules	15
	Total formula weight	1411.5
All*	Total formula weight	53762.6

*Water molecules are not included.