2A5H

2.1 Angstrom X-ray crystal structure of lysine-2,3-aminomutase from Clostridium subterminale SB4, with Michaelis analog (L-alpha-lysine external aldimine form of pyridoxal-5'-phosphate).

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)	L-lysine 2,3-aminomutase	polymer	416	47635.0	4	GenBank (5410603) UniProt (by SIFTS) (Q9XBQ8)	Clostridium subterminale
2	E, K, R, X (A, B, C, D)	ZINC ION	non-polymer		65.4	4	Chemie (ZN)
3	F, L, Q, W (A, B, C, D)	SULFATE ION	non-polymer		96.1	4	Chemie (SO4)
4	G, M, S, Y (A, B, C, D)	S-ADENOSYLMETHIONINE	non-polymer		398.4	4	Chemie (SAM) PubChem (5136) PubChem (34755) PubChem (58633578) PubChem (60038769) PubChem (73897310) PubChem (58766358) PubChem (87224684) PubChem (131697735) PubChem (9865603) PubChem (145712080) PubChem (12312798) PubChem (132988922) PubChem (134692588) PubChem (135030730) PubChem (140459785) PubChem (163046094)
5	H, N, T, Z (A, B, C, D)	LYSINE	non-polymer		147.2	4	Chemie (LYS) PubChem (4477687) PubChem (641599)
6	AA, I, O, U (D, A, B, C)	PYRIDOXAL-5'-PHOSPHATE	non-polymer		247.1	4	Chemie (PLP) PubChem (1051)
7	BA, J, P, V (D, A, B, C)	IRON/SULFUR CLUSTER	non-polymer		351.6	4	Chemie (SF4)
8	CA, DA, EA, FA (A, B, C, D)	water	water		18.0	608	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 416 (GenBank: 5410603)

PDB	External Database	Details
Mse 1	Met 1	modified residue
Mse 57	Met 57	modified residue
Mse 124	Met 124	modified residue
Mse 127	Met 127	modified residue
Mse 145	Met 145	modified residue
Mse 147	Met 147	modified residue
Mse 218	Met 218	modified residue
Mse 272	Met 272	modified residue
Mse 341	Met 341	modified residue
Mse 400	Met 400	modified residue

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	190539.9
Non-Polymers*	Number of molecules	24
	Total formula weight	5223.5
All*	Total formula weight	195763.5

*Water molecules are not included.