4NXB

Crystal structure of iLOV-I486(2LT) at pH 7.0

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)	Phototropin-2	polymer	118	13969.4	2	UniProt (P93025) Pfam (PF13426)	Arabidopsis thaliana (mouse-ear cress thale-cress)	Defective in chloroplast avoidance protein 1, Non-phototropic hypocotyl 1-like protein 1, AtKin7, NPH1-like protein 1
2	C, D (A, B)	FLAVIN MONONUCLEOTIDE	non-polymer		456.3	2	Chemie (FMN)
3	E, F (A, B)	water	water		18.0	33	Chemie (HOH)

Sequence modifications

A, B: 388 - 496 (UniProt: P93025)

PDB	External Database	Details
Met 387	-	expression tag
Thr 394	Ser 394	engineered mutation
Gly 409	Ser 409	engineered mutation
Ala 426	Cys 426	SEE REMARK 999
Thr 452	Ile 452	engineered mutation
Leu 470	Phe 470	engineered mutation
Val 475	Met 475	engineered mutation
2lt 486	Ile 486	engineered mutation
Leu 497	-	expression tag
Glu 498	-	expression tag
His 499	-	expression tag
His 500	-	expression tag
His 501	-	expression tag
His 502	-	expression tag
His 503	-	expression tag
His 504	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	27938.8
Non-Polymers*	Number of molecules	2
	Total formula weight	912.7
All*	Total formula weight	28851.5

*Water molecules are not included.