4IG2

1.80 Angstroms X-ray crystal structure of R51A and R239A heterodimer 2-amino-3-carboxymuconate-6-semialdehyde decarboxylase from Pseudomonas fluorescens

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	2-amino-3-carboxymuconate 6-semialdehyde decarboxylase	polymer	331	36738.0	1	UniProt (Q83V25) Pfam (PF04909)	Pseudomonas fluorescens
2	B (B)	2-amino-3-carboxymuconate 6-semialdehyde decarboxylase	polymer	331	36738.0	1	UniProt (Q83V25) Pfam (PF04909)	Pseudomonas fluorescens
3	C, D (A, B)	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
4	E, F (A, B)	water	water		18.0	141	Chemie (HOH)

Sequence modifications

A: 3 - 333 (UniProt: Q83V25)

PDB	External Database	Details
Ala 239	Arg 239	engineered mutation

B: 3 - 333 (UniProt: Q83V25)

PDB	External Database	Details
Ala 51	Arg 51	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	73476.0
Non-Polymers*	Number of molecules	2
	Total formula weight	130.8
All*	Total formula weight	73606.8

*Water molecules are not included.