3E5U

OCPA complexed CprK (C200S)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	C, A, D, B	Cyclic nucleotide-binding protein	polymer	250	28379.6	4	UniProt (Q18R04) Pfam (PF00027) Pfam (PF13545) UniProt (by SIFTS) (B8FW11) In PDB	Desulfitobacterium hafniense	CprK
2	C, A, D, B	(3-CHLORO-4-HYDROXYPHENYL)ACETIC ACID	non-polymer		186.6	5	Chemie (3C4)
3	C, D, B	PHOSPHATE ION	non-polymer		95.0	3	Chemie (PO4)
4	A	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
5		water	water		18.0	804	Chemie (HOH)

Sequence modifications

C, A, D, B: 1 - 232 (UniProt: Q18R04)

PDB	External Database	Details
Ser 200	Cys 200	engineered mutation
Ser 233	-	expression tag
Asp 234	-	expression tag
Pro 235	-	expression tag
Asn 236	-	expression tag
Ser 237	-	expression tag
Ser 238	-	expression tag
Ser 239	-	expression tag
Val 240	-	expression tag
Asp 241	-	expression tag
Lys 242	-	expression tag
Leu 243	-	expression tag
Ala 244	-	expression tag
Ala 245	-	expression tag
Ala 246	-	expression tag
Leu 247	-	expression tag
Asp 248	-	expression tag
His 249	-	expression tag
His 250	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	113518.5
Non-Polymers*	Number of molecules	9
	Total formula weight	1240.9
All*	Total formula weight	114759.3

*Water molecules are not included.