8GA1

CLC-ec1 R230C/L249C/C85A at pH 4.5 100mM Cl Swap

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	H(+)/Cl(-) exchange transporter ClcA	polymer	461	49118.0	2	UniProt (J7Q633) Pfam (PF00654) UniProt (by SIFTS) (P37019)	Escherichia coli
2	C, D, E, F (A, B)	CHLORIDE ION	non-polymer		35.5	4	Chemie (CL)
3	G, H (A, B)	water	water		18.0	35	Chemie (HOH)

Sequence modifications

A, B: 1 - 461 (UniProt: J7Q633)

PDB	External Database	Details
Ala 85	Cys 85	engineered mutation
Cys 230	Arg 230	engineered mutation
Cys 249	Leu 249	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	98236.1
Non-Polymers*	Number of molecules	4
	Total formula weight	141.8
All*	Total formula weight	98377.9

*Water molecules are not included.