3K3K

Crystal structure of dimeric abscisic acid (ABA) receptor pyrabactin resistance 1 (PYR1) with ABA-bound closed-lid and ABA-free open-lid subunits

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)	Abscisic acid receptor PYR1	polymer	211	23774.6	2	UniProt (O49686) Pfam (PF03364)	Arabidopsis thaliana (mouse-ear cress)	PYRABACTIN RESISTANCE 1, GENE PRODUCT AT4G17870, REGULATORY COMPONENT OF ABA RECEPTOR 11, RCAR11, GENE PRODUCT T6K21.50
2	C (B)	(2Z,4E)-5-[(1S)-1-hydroxy-2,6,6-trimethyl-4-oxocyclohex-2-en-1-yl]-3-methylpenta-2,4-dienoic acid	non-polymer		264.3	1	Chemie (A8S)
3	D, E (A, B)	water	water		18.0	380	Chemie (HOH)

Sequence modifications

A, B: 1 - 191 (UniProt: O49686)

PDB	External Database	Details
Met -19	-	expression tag
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	47549.2
Non-Polymers*	Number of molecules	1
	Total formula weight	264.3
All*	Total formula weight	47813.5

*Water molecules are not included.