1R43

Crystal structure of beta-alanine synthase from Saccharomyces kluyveri (selenomethionine substituted protein)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	beta-alanine synthase	polymer	463	51281.8	2	UniProt (Q96W94) Pfam (PF01546) Pfam (PF07687)	Lachancea kluyveri
2	C, D, H, I (A, B)	ZINC ION	non-polymer		65.4	4	Chemie (ZN)
3	E (A)	2,3-DIHYDROXY-1,4-DITHIOBUTANE	non-polymer		154.3	1	Chemie (DTT)
4	F (A)	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL	non-polymer		122.1	1	Chemie (TRS)
5	G, J (A, B)	BETA-AMINO ISOBUTYRATE	non-polymer		102.1	2	Chemie (BIB)
6	K, L (A, B)	water	water		18.0	68	Chemie (HOH)

Sequence modifications

A, B: 1 - 455 (UniProt: Q96W94)

PDB	External Database	Details
Mse 1	Met 1	modified residue
Mse 61	Met 61	modified residue
Mse 73	Met 73	modified residue
Mse 96	Met 96	modified residue
Mse 187	Met 187	modified residue
Mse 277	Met 277	modified residue
Mse 281	Met 281	modified residue
Mse 332	Met 332	modified residue
Mse 410	Met 410	modified residue
His 456	-	expression tag
His 457	-	expression tag
His 458	-	expression tag
His 459	-	expression tag
His 460	-	expression tag
His 461	-	expression tag
His 462	-	expression tag
His 463	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	102563.7
Non-Polymers*	Number of molecules	8
	Total formula weight	742.3
All*	Total formula weight	103305.9

*Water molecules are not included.