1XP3

Crystal Structure of Endonuclease IV (BA4508) from Bacillus anthracis at 2.57A Resolution.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	endonuclease IV	polymer	307	34031.8	1	UniProt (Q81LV1) Pfam (PF01261) In PDB	Bacillus anthracis	Endodeoxyribonuclease IV
2	A	ZINC ION	non-polymer		65.4	3	Chemie (ZN)
3	A	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
4		water	water		18.0	210	Chemie (HOH)

Sequence modifications

A: 1 - 298 (UniProt: Q81LV1)

PDB	External Database	Details
Gly -8	-	cloning artifact
Ser -7	-	cloning artifact
Ser -6	-	cloning artifact
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
Ile 68	Val 68	conflict

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	34031.8
Non-Polymers*	Number of molecules	5
	Total formula weight	388.4
All*	Total formula weight	34420.2

*Water molecules are not included.