7XZS

Crystal structure of Ricin A chain bound with (2-amino-4-oxo-3,4-dihydropteridine-7-carbonyl)-L-tyrosine

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Ricin A chain	polymer	274	30896.8	1	UniProt (P02879) Pfam (PF00161) In PDB	Ricinus communis (castor bean)	rRNA N-glycosidase
2	A	(2S)-2-[(2-azanyl-4-oxidanylidene-3H-pteridin-7-yl)carbonylamino]-3-(4-hydroxyphenyl)propanoic acid	non-polymer		370.3	2	Chemie (I8T)
3	A	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
4		water	water		18.0	259	Chemie (HOH)

Sequence modifications

A: 1 - 267 (UniProt: P02879)

PDB	External Database	Details
Met -6	-	initiating methionine
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	30896.8
Non-Polymers*	Number of molecules	4
	Total formula weight	932.8
All*	Total formula weight	31829.6

*Water molecules are not included.