3ABO

Crystal structure of ethanolamine ammonia-lyase from Escherichia coli complexed with CN-Cbl and ethanolamine

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C (A, C)	Ethanolamine ammonia-lyase heavy chain	polymer	453	49447.8	2	UniProt (P0AEJ6) Pfam (PF06751)	Escherichia coli	Ethanolamine ammonia-lyase large subunit
2	B, D (B, D)	Ethanolamine ammonia-lyase light chain	polymer	306	33197.0	2	UniProt (P19636) Pfam (PF05985)	Escherichia coli	Ethanolamine ammonia-lyase small subunit
3	E, J (A, C)	ETHANOLAMINE	non-polymer		61.1	2	Chemie (ETA)
4	F, G, H, L, M (A, C)	GLYCEROL	non-polymer		92.1	5	Chemie (GOL)
5	I, N (B, D)	COBALAMIN	non-polymer		1330.4	2	Chemie (B12)
6	K, O (C, D)	SODIUM ION	non-polymer		23.0	2	Chemie (NA)
7	P, Q, R, S (A, B, C, D)	water	water		18.0	707	Chemie (HOH)

Sequence modifications

B, D: 1 - 295 (UniProt: P19636)

PDB	External Database	Details
Met -10	-	expression tag
Asp -9	-	expression tag
Gln -8	-	expression tag
Ser -7	-	expression tag
Ser -6	-	expression tag
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	4
	Total formula weight	165289.7
Non-Polymers*	Number of molecules	11
	Total formula weight	3289.3
All*	Total formula weight	168579.0

*Water molecules are not included.