4CXV

Structure of bifunctional endonuclease (AtBFN2) in complex with phosphate.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	ENDONUCLEASE 2	polymer	269	30606.2	2	UniProt (Q9C9G4) Pfam (PF02265)	ARABIDOPSIS THALIANA (THALE CRESS)	ATENDO2, DEOXYRIBONUCLEASE ENDO2, SINGLE-STRANDED-NUCLEATE ENDONUCLEASE ENDO2, BIFUNCTIONAL ENDONUCLEASE ATBFN2
2	C (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)
3	D, F (D, F)	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	2	In PDB GlyTouCan (G42666HT)
4	E (E)	alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-6)-[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		1073.0	1	In PDB GlyTouCan (G34442SS)
5	G (G)	beta-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 (G15407YE)
6	H (A)	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	1	Chemie (NAG)
7	I, M (A, B)	PHOSPHATE ION	non-polymer		95.0	2	Chemie (PO4)
8	J, K, L, N, O... (A, B)	ZINC ION	non-polymer		65.4	6	Chemie (ZN)
9	Q, R (A, B)	water	water		18.0	426	Chemie (HOH)

Sequence modifications

A, B: 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

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	61212.3
Branched	Number of molecules	5
	Total formula weight	3257.0
Non-Polymers*	Number of molecules	9
	Total formula weight	803.6
All*	Total formula weight	65272.9

*Water molecules are not included.