4CXO

bifunctional endonuclease in complex with ssDNA

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	ENDONUCLEASE 2	polymer	269	30607.1	1	UniProt (Q9C9G4) Pfam (PF02265) In PDB	ARABIDOPSIS THALIANA (THALE CRESS)	ATENDO2, DEOXYRIBONUCLEASE ENDO2, SINGLE-STRANDED-NUCLEATE ENDONUCLEASE ENDO2, BIFUNCTIONAL ENDONUCLEASE ATBFN2
2	B	alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		910.8	1	In PDB GlyTouCan (G22768VO)
3	C	alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		748.7	1	In PDB GlyTouCan (G81315DD)
4	D	alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		586.5	1	In PDB GlyTouCan (G62182OO)
5	A	THYMIDINE-5'-PHOSPHATE	non-polymer		322.2	2	Chemie (TMP)
6	A	2'-DEOXYADENOSINE-5'-MONOPHOSPHATE	non-polymer		331.2	1	Chemie (D5M)
7	A	ZINC ION	non-polymer		65.4	3	Chemie (ZN)
8	A	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
9		water	water		18.0	324	Chemie (HOH)

Sequence modifications

A: 1 - 263 (UniProt: Q9C9G4)

PDB	External Database	Details
His 264	-	expression tag
His 265	-	expression tag
His 266	-	expression tag
His 267	-	expression tag
His 268	-	expression tag
His 269	-	expression tag
Glu 108	Gln 135	conflict

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	30607.1
Branched	Number of molecules	3
	Total formula weight	2246.0
Non-Polymers*	Number of molecules	7
	Total formula weight	1267.9
All*	Total formula weight	34121.1

*Water molecules are not included.