2AB5

bI3 LAGLIDADG Maturase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	mRNA maturase	polymer	269	32737.7	2	UniProt (Q36758) Pfam (PF00961) UniProt (by SIFTS) (Q9ZZW7) In PDB	Saccharomyces cerevisiae (baker's yeast)
2	A, B	SULFATE ION	non-polymer		96.1	8	Chemie (SO4)
3		water	water		18.0	248	Chemie (HOH)

Sequence modifications

A, B: 256 - 517 (UniProt: Q36758)

PDB	External Database	Details
Met 249	-	EXPRESSION TAG
Gly 250	-	EXPRESSION TAG
His 251	-	EXPRESSION TAG
His 252	-	EXPRESSION TAG
His 253	-	EXPRESSION TAG
His 254	-	EXPRESSION TAG
His 255	-	EXPRESSION TAG
Mse 295	Met 152	MODIFIED RESIDUE
Mse 322	Met 179	MODIFIED RESIDUE
Mse 330	Met 187	MODIFIED RESIDUE
Mse 354	Met 211	MODIFIED RESIDUE
Mse 421	Met 278	MODIFIED RESIDUE
Mse 425	Met 282	MODIFIED RESIDUE
Mse 434	Met 291	MODIFIED RESIDUE
Mse 438	Met 295	MODIFIED RESIDUE
Mse 441	Met 298	MODIFIED RESIDUE
Mse 456	Met 313	MODIFIED RESIDUE
Mse 464	Met 321	MODIFIED RESIDUE
Mse 477	Met 334	MODIFIED RESIDUE

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	65475.4
Non-Polymers*	Number of molecules	8
	Total formula weight	768.5
All*	Total formula weight	66243.9

*Water molecules are not included.