1I1Q

STRUCTURE OF THE COOPERATIVE ALLOSTERIC ANTHRANILATE SYNTHASE FROM SALMONELLA TYPHIMURIUM

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	ANTHRANILATE SYNTHASE COMPONENT I	polymer	520	57150.9	1	UniProt (P00898) Pfam (PF04715) Pfam (PF00425)	Salmonella typhimurium
2	B (B)	ANTHRANILATE SYNTHASE COMPONENT II	polymer	192	20754.9	1	UniProt (P00905) Pfam (PF00117)	Salmonella typhimurium
3	C (A)	TRYPTOPHAN	non-polymer		204.2	1	Chemie (TRP)
4	D, E (A, B)	water	water		18.0	126	Chemie (HOH)

Sequence modifications

A: 1 - 520 (UniProt: P00898)

PDB	External Database	Details
Asn 115	Asp 115	SEE REMARK 999
Glu 179	Gly 179	SEE REMARK 999
Asp 440	Glu 440	SEE REMARK 999
Glu 442	Asp 442	SEE REMARK 999

B: 1 - 192 (UniProt: P00905)

PDB	External Database	Details
Thr 109	Ser 109	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	77905.8
Non-Polymers*	Number of molecules	1
	Total formula weight	204.2
All*	Total formula weight	78110.0

*Water molecules are not included.