Potassium in PDB 9j0y: Cryo-Em Structure of the Guard Cell Potassium Channel Gork Mutant

Potassium Binding Sites:

The binding sites of Potassium atom in the Cryo-Em Structure of the Guard Cell Potassium Channel Gork Mutant (pdb code 9j0y). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 4 binding sites of Potassium where determined in the Cryo-Em Structure of the Guard Cell Potassium Channel Gork Mutant, PDB code: 9j0y:
Jump to Potassium binding site number: 1; 2; 3; 4;

Potassium binding site 1 out of 4 in 9j0y

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Potassium Binding Sites List in 9j0y

Potassium binding site 1 out of 4 in the Cryo-Em Structure of the Guard Cell Potassium Channel Gork Mutant

Mono view

Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Cryo-Em Structure of the Guard Cell Potassium Channel Gork Mutant within 5.0Å range:

probe	atom	residue	distance (Å)	B	Occ
A:K901 b:30.8 occ:1.00	OG1	A:THR271	3.0	19.7	1.0
	OG1	D:THR271	3.2	20.5	1.0
	OG1	B:THR271	3.2	20.0	1.0
	OG1	C:THR271	3.3	20.3	1.0
	O	D:THR271	3.4	20.5	1.0
	O	A:THR271	3.4	19.7	1.0
	O	B:THR271	3.4	20.0	1.0
	O	C:THR271	3.5	20.3	1.0
	CB	A:THR271	3.8	19.7	1.0
	CB	C:THR271	3.9	20.3	1.0
	CB	D:THR271	4.0	20.5	1.0
	CB	B:THR271	4.0	20.0	1.0
	K	A:K902	4.0	55.2	1.0
	C	A:THR271	4.3	19.7	1.0
	C	B:THR271	4.4	20.0	1.0
	C	D:THR271	4.4	20.5	1.0
	C	C:THR271	4.5	20.3	1.0
	CA	A:THR271	4.7	19.7	1.0
	CA	B:THR271	4.8	20.0	1.0
	CA	D:THR271	4.9	20.5	1.0
	CA	C:THR271	4.9	20.3	1.0
	CG2	A:THR271	4.9	19.7	1.0

Potassium binding site 2 out of 4 in 9j0y

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Potassium Binding Sites List in 9j0y

Potassium binding site 2 out of 4 in the Cryo-Em Structure of the Guard Cell Potassium Channel Gork Mutant

Mono view

Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Cryo-Em Structure of the Guard Cell Potassium Channel Gork Mutant within 5.0Å range:

probe	atom	residue	distance (Å)	B	Occ
A:K902 b:55.2 occ:1.00	O	C:THR271	2.9	20.3	1.0
	O	A:THR271	2.9	19.7	1.0
	O	D:VAL272	2.9	18.8	1.0
	O	A:VAL272	2.9	18.9	1.0
	O	C:VAL272	3.0	19.1	1.0
	O	B:THR271	3.0	20.0	1.0
	O	D:THR271	3.0	20.5	1.0
	O	B:VAL272	3.0	19.8	1.0
	K	A:K903	3.3	15.5	1.0
	C	D:VAL272	3.8	18.8	1.0
	C	C:VAL272	3.8	19.1	1.0
	C	A:VAL272	3.8	18.9	1.0
	C	B:VAL272	3.9	19.8	1.0
	C	C:THR271	3.9	20.3	1.0
	C	A:THR271	4.0	19.7	1.0
	C	D:THR271	4.0	20.5	1.0
	K	A:K901	4.0	30.8	1.0
	CA	D:VAL272	4.0	18.8	1.0
	C	B:THR271	4.0	20.0	1.0
	CA	A:VAL272	4.1	18.9	1.0
	CA	C:VAL272	4.1	19.1	1.0
	CA	B:VAL272	4.2	19.8	1.0
	N	D:VAL272	4.5	18.8	1.0
	N	C:VAL272	4.5	19.1	1.0
	N	A:VAL272	4.5	18.9	1.0
	N	B:VAL272	4.6	19.8	1.0
	N	D:GLY273	4.9	19.1	1.0
	N	C:GLY273	4.9	19.1	1.0
	N	A:GLY273	5.0	20.0	1.0

Potassium binding site 3 out of 4 in 9j0y

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Potassium Binding Sites List in 9j0y

Potassium binding site 3 out of 4 in the Cryo-Em Structure of the Guard Cell Potassium Channel Gork Mutant

Mono view

Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Cryo-Em Structure of the Guard Cell Potassium Channel Gork Mutant within 5.0Å range:

probe	atom	residue	distance (Å)	B	Occ
A:K903 b:15.5 occ:1.00	O	C:GLY273	2.8	19.1	1.0
	O	A:GLY273	2.8	20.0	1.0
	O	A:VAL272	2.8	18.9	1.0
	O	D:GLY273	2.8	19.1	1.0
	O	C:VAL272	2.8	19.1	1.0
	O	B:VAL272	2.8	19.8	1.0
	O	B:GLY273	2.8	19.8	1.0
	O	D:VAL272	2.8	18.8	1.0
	K	A:K904	3.0	55.2	1.0
	K	A:K902	3.3	55.2	1.0
	C	C:GLY273	3.7	19.1	1.0
	C	A:GLY273	3.8	20.0	1.0
	C	D:GLY273	3.8	19.1	1.0
	C	B:GLY273	3.8	19.8	1.0
	C	A:VAL272	4.0	18.9	1.0
	C	C:VAL272	4.0	19.1	1.0
	C	B:VAL272	4.0	19.8	1.0
	C	D:VAL272	4.0	18.8	1.0
	CA	C:GLY273	4.2	19.1	1.0
	CA	A:GLY273	4.3	20.0	1.0
	CA	D:GLY273	4.3	19.1	1.0
	CA	B:GLY273	4.3	19.8	1.0
	N	C:GLY273	4.6	19.1	1.0
	N	A:GLY273	4.6	20.0	1.0
	N	D:GLY273	4.6	19.1	1.0
	N	B:GLY273	4.7	19.8	1.0
	N	C:TYR274	4.7	19.0	1.0
	N	A:TYR274	4.8	18.7	1.0
	N	D:TYR274	4.8	18.7	1.0
	N	B:TYR274	4.8	19.1	1.0
	CA	C:TYR274	5.0	19.0	1.0

Potassium binding site 4 out of 4 in 9j0y

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Potassium Binding Sites List in 9j0y

Potassium binding site 4 out of 4 in the Cryo-Em Structure of the Guard Cell Potassium Channel Gork Mutant

Mono view

Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Cryo-Em Structure of the Guard Cell Potassium Channel Gork Mutant within 5.0Å range:

probe	atom	residue	distance (Å)	B	Occ
A:K904 b:55.2 occ:1.00	O	A:TYR274	2.9	18.7	1.0
	O	D:TYR274	2.9	18.7	1.0
	O	B:TYR274	2.9	19.1	1.0
	O	C:GLY273	2.9	19.1	1.0
	O	B:GLY273	2.9	19.8	1.0
	O	C:TYR274	2.9	19.0	1.0
	O	A:GLY273	2.9	20.0	1.0
	O	D:GLY273	3.0	19.1	1.0
	K	A:K903	3.0	15.5	1.0
	C	C:TYR274	3.5	19.0	1.0
	C	B:TYR274	3.5	19.1	1.0
	C	A:TYR274	3.6	18.7	1.0
	C	D:TYR274	3.6	18.7	1.0
	CA	C:TYR274	3.9	19.0	1.0
	C	C:GLY273	4.0	19.1	1.0
	C	B:GLY273	4.0	19.8	1.0
	CA	B:TYR274	4.0	19.1	1.0
	C	A:GLY273	4.1	20.0	1.0
	CA	A:TYR274	4.1	18.7	1.0
	CA	D:TYR274	4.1	18.7	1.0
	C	D:GLY273	4.1	19.1	1.0
	N	B:GLY275	4.4	19.3	1.0
	N	C:GLY275	4.4	19.8	1.0
	N	C:TYR274	4.4	19.0	1.0
	N	A:GLY275	4.5	19.3	1.0
	N	B:TYR274	4.5	19.1	1.0
	N	A:TYR274	4.6	18.7	1.0
	N	D:TYR274	4.6	18.7	1.0
	N	D:GLY275	4.6	19.1	1.0
	CA	B:GLY275	4.7	19.3	1.0
	CA	A:GLY275	4.8	19.3	1.0
	CA	C:GLY275	4.8	19.8	1.0
	CA	D:GLY275	5.0	19.1	1.0

Reference:

X.Zhang, P.Zhang. Gork K+ Channel Structure and Gating Vital For Stomatal Movements To Be Published.

Page generated: Sat Aug 9 19:15:05 2025

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