4M1I

X-ray crystal structure of Chlamydia trachomatis Mn(II)Fe(II)-NrdB

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 (A, B, C, D)	Ribonucleoside-diphosphate reductase subunit beta	polymer	366	42734.7	4	UniProt (O84835) Pfam (PF00268)	Chlamydia trachomatis	Ribonucleotide reductase small subunit
2	E, I, L, O (A, B, C, D)	MANGANESE (II) ION	non-polymer		54.9	4	Chemie (MN)
3	F, H, K, N (A, B, C, D)	FE (III) ION	non-polymer		55.8	4	Chemie (FE)
4	G, M (A, C)	HEXAETHYLENE GLYCOL	non-polymer		282.3	2	Chemie (P6G)
5	J (B)	ACETIC ACID	non-polymer		60.1	1	Chemie (ACY)
6	P, Q, R, S (A, B, C, D)	water	water		18.0	1027	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 346 (UniProt: O84835)

PDB	External Database	Details
Met -19	-	expression tag
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	170938.7
Non-Polymers*	Number of molecules	11
	Total formula weight	1067.8
All*	Total formula weight	172006.5

*Water molecules are not included.