1XKL

Crystal Structure of Salicylic Acid-binding Protein 2 (SABP2) from Nicotiana tabacum, NESG Target AR2241

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)	salicylic acid-binding protein 2	polymer	273	31302.5	4	UniProt (Q6RYA0) Pfam (PF12697)	Nicotiana tabacum (common tobacco)	SABP2
2	E, F, G, H (A, B, C, D)	2-AMINO-4H-1,3-BENZOXATHIIN-4-OL	non-polymer		183.2	4	Chemie (STH)
3	I, J, K, L (A, B, C, D)	water	water		18.0	926	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 260 (UniProt: Q6RYA0)

PDB	External Database	Details
Mse 63	Met 63	modified residue
Mse 66	Met 66	modified residue
Mse 85	Met 85	modified residue
Mse 91	Met 91	modified residue
Mse 108	Met 108	modified residue
Mse 149	Met 149	modified residue
Mse 183	Met 183	modified residue
Mse 239	Met 239	modified residue
Mse 241	Met 241	modified residue
Met 261	-	cloning artifact
Ala 262	-	cloning artifact
Gly 263	-	cloning artifact
Asp 264	-	cloning artifact
Pro 265	-	cloning artifact
Leu 266	-	cloning artifact
Glu 267	-	cloning artifact
His 268	-	expression tag
His 269	-	expression tag
His 270	-	expression tag
His 271	-	expression tag
His 272	-	expression tag
His 273	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	125210.0
Non-Polymers*	Number of molecules	4
	Total formula weight	732.9
All*	Total formula weight	125942.9

*Water molecules are not included.