6YA4

Crystal structure of PnrA from S. pneumoniae in complex with cytidine

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 (C, A, B, D)	Lipoprotein	polymer	332	35184.7	4	UniProt (A0A0H2UPF3) Pfam (PF02608)	Streptococcus pneumoniae
2	E, I, M, P (C, A, B, D)	4-AMINO-1-BETA-D-RIBOFURANOSYL-2(1H)-PYRIMIDINONE	non-polymer		243.2	4	Chemie (CTN)
3	F, G, J, K, N... (C, A, B, D)	NICKEL (II) ION	non-polymer		58.7	7	Chemie (NI)
4	H (C)	ACETATE ION	non-polymer		59.0	1	Chemie (ACT)
5	L, O (A, B)	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	2	Chemie (PEG)
6	S, T, U, V (C, A, B, D)	water	water		18.0	499	Chemie (HOH)

Sequence modifications

C, A, B, D: 23 - 333 (UniProt: A0A0H2UPF3)

PDB	External Database	Details
Gly 2	-	expression tag
Ser 3	-	expression tag
Ser 4	-	expression tag
His 5	-	expression tag
His 6	-	expression tag
His 7	-	expression tag
His 8	-	expression tag
His 9	-	expression tag
His 10	-	expression tag
Met 11	-	expression tag
Ser 12	-	expression tag
Gly 13	-	expression tag
Glu 14	-	expression tag
Asn 15	-	expression tag
Leu 16	-	expression tag
Tyr 17	-	expression tag
Phe 18	-	expression tag
Gln 19	-	expression tag
Gly 20	-	expression tag
Ala 21	-	expression tag
Ser 22	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	140738.8
Non-Polymers*	Number of molecules	14
	Total formula weight	1655.0
All*	Total formula weight	142393.8

*Water molecules are not included.