8GA5

CLC-ec1 L25C/A450C/C85A at pH 4.5 100mM Cl Intermediate

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	H(+)/Cl(-) exchange transporter ClcA	polymer	461	49204.1	2	UniProt (J7Q633) Pfam (PF00654) UniProt (by SIFTS) (P37019) In PDB	Escherichia coli
2	A, B	CHLORIDE ION	non-polymer		35.5	6	Chemie (CL)
3		water	water		18.0	29	Chemie (HOH)

Sequence modifications

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

PDB	External Database	Details
Cys 25	Leu 25	engineered mutation
Ala 85	Cys 85	engineered mutation
Cys 450	Ala 450	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	98408.3
Non-Polymers*	Number of molecules	6
	Total formula weight	212.7
All*	Total formula weight	98621.0

*Water molecules are not included.