2ETJ

Crystal structure of Ribonuclease HII (EC 3.1.26.4) (RNase HII) (tm0915) from THERMOTOGA MARITIMA at 1.74 A resolution

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Ribonuclease HII	polymer	250	28414.0	1	UniProt (Q9X017) Pfam (PF01351)	Thermotoga maritima	RNase HII
2	B (A)	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
3	C (A)	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
4	D, E, F, G, H (A)	1,2-ETHANEDIOL	non-polymer		62.1	5	Chemie (EDO)
5	I (A)	water	water		18.0	161	Chemie (HOH)

Sequence modifications

A: 1 - 238 (UniProt: Q9X017)

PDB	External Database	Details
Mse -11	-	expression tag
Gly -10	-	expression tag
Ser -9	-	expression tag
Asp -8	-	expression tag
Lys -7	-	expression tag
Ile -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
Mse 1	Met 1	modified residue
Mse 62	Met 62	modified residue
Mse 90	Met 90	modified residue
Mse 145	Met 145	modified residue
Mse 151	Met 151	modified residue

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	28414.0
Non-Polymers*	Number of molecules	7
	Total formula weight	370.1
All*	Total formula weight	28784.1

*Water molecules are not included.