4QYS

TrpB2 enzymes

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	B, A	Tryptophan synthase beta chain 2	polymer	442	49364.6	2	UniProt (Q97TX6) Pfam (PF00291) In PDB	Sulfolobus solfataricus P2
2	B	(5-HYDROXY-4,6-DIMETHYLPYRIDIN-3-YL)METHYL DIHYDROGEN PHOSPHATE	non-polymer		233.2	1	Chemie (PLR)
3	A	PYRIDOXAL-5'-PHOSPHATE	non-polymer		247.1	1	Chemie (PLP)
4	A	PHOSPHOSERINE	non-polymer		185.1	1	Chemie (SEP)
5		water	water		18.0	216	Chemie (HOH)

Sequence modifications

B, A: 1 - 429 (UniProt: Q97TX6)

PDB	External Database	Details
Lys 430	-	expression tag
Leu 431	-	expression tag
Ala 432	-	expression tag
Ala 433	-	expression tag
Ala 434	-	expression tag
Leu 435	-	expression tag
Glu 436	-	expression tag
His 437	-	expression tag
His 438	-	expression tag
His 439	-	expression tag
His 440	-	expression tag
His 441	-	expression tag
His 442	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	98729.3
Non-Polymers*	Number of molecules	3
	Total formula weight	665.4
All*	Total formula weight	99394.6

*Water molecules are not included.