3ABR

Crystal structure of ethanolamine ammonia-lyase from Escherichia coli complexed with CN-Cbl (substrate-free form)

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, F, G, M, N... (A, C)	GLYCEROL	non-polymer		92.1	6	Chemie (GOL)
4	H, I, J, L, P... (A, B, C, D)	SODIUM ION	non-polymer		23.0	7	Chemie (NA)
5	K, Q (B, D)	COBALAMIN	non-polymer		1330.4	2	Chemie (B12)
6	T, U, V, W (A, B, C, D)	water	water		18.0	1000	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	15
	Total formula weight	3374.2
All*	Total formula weight	168663.9

*Water molecules are not included.