5Z3J

Crystal Structure of Abrin A chain (Recombinant) in complex with Nicotinamide at 1.7 Angstroms

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Abrin A-chain	polymer	265	29707.1	1	UniProt (Q7DM12) Pfam (PF00161) UniProt (by SIFTS) (P11140) In PDB	Abrus precatorius (Indian licorice)
2	A	IMIDAZOLE	non-polymer		69.1	1	Chemie (IMD)
3	A	NICOTINAMIDE	non-polymer		122.1	1	Chemie (NCA)
4		water	water		18.0	197	Chemie (HOH)

Sequence modifications

A: 1 - 251 (UniProt: Q7DM12)

PDB	External Database	Details
Met -13	-	initiating methionine
Arg -12	-	expression tag
Gly -11	-	expression tag
Ser -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
Gly -3	-	expression tag
Met -2	-	expression tag
Ala -1	-	expression tag
Ser 0	-	expression tag
His 85	Tyr 85	see sequence details

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	29707.1
Non-Polymers*	Number of molecules	2
	Total formula weight	191.2
All*	Total formula weight	29898.3

*Water molecules are not included.