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Calcium in PDB 8v3g: Cryo-Em Structure of the KCA2.2 Channel with Inhibitor Ucl 1684.

Other elements in 8v3g:

The structure of Cryo-Em Structure of the KCA2.2 Channel with Inhibitor Ucl 1684. also contains other interesting chemical elements:

Potassium (K) 4 atoms

Calcium Binding Sites:

The binding sites of Calcium atom in the Cryo-Em Structure of the KCA2.2 Channel with Inhibitor Ucl 1684. (pdb code 8v3g). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 8 binding sites of Calcium where determined in the Cryo-Em Structure of the KCA2.2 Channel with Inhibitor Ucl 1684., PDB code: 8v3g:
Jump to Calcium binding site number: 1; 2; 3; 4; 5; 6; 7; 8;

Calcium binding site 1 out of 8 in 8v3g

Go back to Calcium Binding Sites List in 8v3g
Calcium binding site 1 out of 8 in the Cryo-Em Structure of the KCA2.2 Channel with Inhibitor Ucl 1684.


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Cryo-Em Structure of the KCA2.2 Channel with Inhibitor Ucl 1684. within 5.0Å range:
probe atom residue distance (Å) B Occ
E:Ca201

b:100.8
occ:1.00
 O E:THR26 2.4 92.1 1.0
OD1 E:ASP24 2.4 103.2 1.0
OE1 E:GLU31 2.5 95.0 1.0
OE2 E:GLU31 2.8 94.4 1.0
OD1 E:ASP20 2.9 92.7 1.0
CD E:GLU31 3.0 94.3 1.0
OD2 E:ASP24 3.0 104.0 1.0
CG E:ASP24 3.1 104.4 1.0
C E:THR26 3.6 91.9 1.0
CB E:ASP22 3.6 100.5 1.0
OD2 E:ASP22 3.7 103.5 1.0
CG E:ASP22 4.1 103.7 1.0
CG E:ASP20 4.1 92.4 1.0
CG2 E:THR26 4.1 94.1 1.0
N E:THR26 4.3 90.0 1.0
CG E:GLU31 4.4 91.7 1.0
N E:ASP22 4.4 102.0 1.0
CA E:THR26 4.4 92.8 1.0
N E:ILE27 4.5 86.4 1.0
CA E:ASP22 4.5 100.3 1.0
CB E:ASP24 4.6 103.7 1.0
CG2 E:THR28 4.6 90.9 1.0
CA E:ILE27 4.7 86.7 1.0
N E:ASP24 4.7 103.5 1.0
CA E:ASP20 4.7 90.7 1.0
N E:GLY23 4.8 100.7 1.0
N E:GLY25 4.8 95.3 1.0
N E:THR28 4.9 89.0 1.0
CB E:ASP20 4.9 90.2 1.0
CB E:THR26 4.9 95.9 1.0
OD2 E:ASP20 5.0 95.0 1.0

Calcium binding site 2 out of 8 in 8v3g

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Calcium binding site 2 out of 8 in the Cryo-Em Structure of the KCA2.2 Channel with Inhibitor Ucl 1684.


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Cryo-Em Structure of the KCA2.2 Channel with Inhibitor Ucl 1684. within 5.0Å range:
probe atom residue distance (Å) B Occ
E:Ca202

b:112.8
occ:1.00
 O E:THR62 2.3 101.7 1.0
OD1 E:ASP56 2.4 102.4 1.0
OD1 E:ASN60 2.5 101.8 1.0
C E:THR62 3.2 100.7 1.0
CG E:ASP56 3.2 103.7 1.0
CB E:THR62 3.3 99.3 1.0
CG E:ASN60 3.4 99.7 1.0
OE2 E:GLU67 3.5 94.0 1.0
OD2 E:ASP56 3.5 105.4 1.0
CA E:THR62 3.6 98.7 1.0
OE1 E:GLU67 3.6 92.2 1.0
ND2 E:ASN60 3.7 99.0 1.0
OD2 E:ASP58 3.7 108.2 1.0
N E:THR62 3.7 98.8 1.0
CB E:ASP58 3.8 105.3 1.0
CD E:GLU67 3.8 94.0 1.0
CG2 E:THR62 3.9 97.6 1.0
CG E:ASP58 4.1 107.3 1.0
N E:ASP58 4.3 106.6 1.0
N E:ILE63 4.4 90.6 1.0
OG1 E:THR62 4.4 102.0 1.0
CB E:ASP56 4.6 103.3 1.0
CA E:ASP58 4.6 106.9 1.0
OD1 E:ASP64 4.7 88.5 1.0
N E:ASN60 4.8 101.5 1.0
CB E:ASN60 4.9 99.1 1.0
CA E:ILE63 4.9 87.6 1.0
N E:ALA57 4.9 104.5 1.0
CA E:ASP56 4.9 105.8 1.0

Calcium binding site 3 out of 8 in 8v3g

Go back to Calcium Binding Sites List in 8v3g
Calcium binding site 3 out of 8 in the Cryo-Em Structure of the KCA2.2 Channel with Inhibitor Ucl 1684.


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 3 of Cryo-Em Structure of the KCA2.2 Channel with Inhibitor Ucl 1684. within 5.0Å range:
probe atom residue distance (Å) B Occ
F:Ca201

b:94.6
occ:1.00
 O F:THR26 2.4 91.3 1.0
OD1 F:ASP24 2.5 102.1 1.0
OE1 F:GLU31 2.6 92.5 1.0
OD1 F:ASP20 2.6 95.8 1.0
OE2 F:GLU31 2.7 93.2 1.0
CD F:GLU31 2.9 92.2 1.0
OD1 F:ASP22 3.3 98.7 1.0
OG1 F:THR26 3.4 97.7 1.0
CG F:ASP24 3.5 103.5 1.0
C F:THR26 3.5 91.9 1.0
O F:ASP22 3.7 95.0 1.0
CG F:ASP20 3.8 93.0 1.0
OD2 F:ASP24 3.9 103.2 1.0
CG F:ASP22 4.0 98.7 1.0
OD2 F:ASP22 4.3 100.0 1.0
CG F:GLU31 4.4 90.7 1.0
CA F:THR26 4.4 92.1 1.0
N F:ILE27 4.4 86.6 1.0
N F:THR26 4.5 89.2 1.0
CG2 F:THR28 4.5 89.8 1.0
CB F:THR26 4.5 95.6 1.0
CA F:ILE27 4.5 86.6 1.0
CB F:ASP20 4.6 89.3 1.0
CA F:ASP20 4.6 89.7 1.0
OD2 F:ASP20 4.7 93.4 1.0
N F:THR28 4.7 87.9 1.0
C F:ASP22 4.7 95.7 1.0
CB F:ASP24 4.8 102.5 1.0
N F:ASP24 4.9 102.5 1.0

Calcium binding site 4 out of 8 in 8v3g

Go back to Calcium Binding Sites List in 8v3g
Calcium binding site 4 out of 8 in the Cryo-Em Structure of the KCA2.2 Channel with Inhibitor Ucl 1684.


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 4 of Cryo-Em Structure of the KCA2.2 Channel with Inhibitor Ucl 1684. within 5.0Å range:
probe atom residue distance (Å) B Occ
F:Ca202

b:116.8
occ:1.00
 O F:THR62 2.4 97.7 1.0
OD1 F:ASP56 2.4 101.6 1.0
OD1 F:ASN60 2.4 103.5 1.0
OE1 F:GLU67 3.2 92.9 1.0
CG F:ASN60 3.2 100.8 1.0
OE2 F:GLU67 3.3 95.1 1.0
ND2 F:ASN60 3.3 99.3 1.0
CG F:ASP56 3.4 102.9 1.0
CD F:GLU67 3.5 95.4 1.0
C F:THR62 3.6 98.3 1.0
OD2 F:ASP58 3.7 109.8 1.0
OD2 F:ASP56 3.7 104.0 1.0
CB F:ASP58 3.8 106.2 1.0
CG F:ASP58 4.1 109.0 1.0
OD1 F:ASP64 4.3 88.5 1.0
N F:THR62 4.3 94.9 1.0
CA F:THR62 4.3 97.4 1.0
N F:ASP58 4.4 107.3 1.0
CG F:ASP64 4.5 92.2 1.0
CB F:THR62 4.5 95.5 1.0
N F:ILE63 4.6 90.9 1.0
OD2 F:ASP64 4.6 95.5 1.0
CA F:ASP58 4.6 108.0 1.0
CB F:ASP56 4.6 102.8 1.0
CB F:ASN60 4.6 98.9 1.0
N F:ASN60 4.7 101.0 1.0
CA F:ILE63 4.7 87.6 1.0
N F:ASP64 4.8 88.4 1.0
CA F:ASP56 4.9 105.5 1.0
CG F:GLU67 4.9 94.6 1.0
N F:GLY59 4.9 106.3 1.0
N F:ALA57 5.0 103.7 1.0

Calcium binding site 5 out of 8 in 8v3g

Go back to Calcium Binding Sites List in 8v3g
Calcium binding site 5 out of 8 in the Cryo-Em Structure of the KCA2.2 Channel with Inhibitor Ucl 1684.


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 5 of Cryo-Em Structure of the KCA2.2 Channel with Inhibitor Ucl 1684. within 5.0Å range:
probe atom residue distance (Å) B Occ
G:Ca201

b:100.3
occ:1.00
 O G:THR26 2.4 93.7 1.0
OE1 G:GLU31 2.6 91.6 1.0
OD2 G:ASP22 2.7 102.5 1.0
OE2 G:GLU31 2.8 93.6 1.0
OD1 G:ASP24 2.9 101.0 1.0
CD G:GLU31 3.0 92.3 1.0
OD1 G:ASP20 3.0 92.9 1.0
CB G:ASP22 3.1 98.6 1.0
CG G:ASP22 3.2 102.4 1.0
OD2 G:ASP24 3.6 102.8 1.0
C G:THR26 3.6 92.8 1.0
CG G:ASP24 3.6 103.5 1.0
N G:ASP22 4.0 99.4 1.0
CA G:ASP22 4.2 96.5 1.0
CG G:ASP20 4.2 92.8 1.0
N G:THR26 4.3 91.4 1.0
CA G:THR26 4.3 92.4 1.0
OD1 G:ASP22 4.4 102.8 1.0
CG2 G:THR28 4.4 92.6 1.0
CG G:GLU31 4.4 91.0 1.0
CB G:THR26 4.5 96.3 1.0
N G:ILE27 4.5 86.0 1.0
CA G:ILE27 4.7 85.7 1.0
N G:GLY23 4.7 100.9 1.0
CA G:ASP20 4.8 90.0 1.0
N G:THR28 4.8 90.2 1.0
C G:ASP22 4.9 98.0 1.0
N G:LYS21 4.9 95.8 1.0
CG2 G:THR26 5.0 94.3 1.0
CB G:ASP20 5.0 90.5 1.0

Calcium binding site 6 out of 8 in 8v3g

Go back to Calcium Binding Sites List in 8v3g
Calcium binding site 6 out of 8 in the Cryo-Em Structure of the KCA2.2 Channel with Inhibitor Ucl 1684.


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 6 of Cryo-Em Structure of the KCA2.2 Channel with Inhibitor Ucl 1684. within 5.0Å range:
probe atom residue distance (Å) B Occ
G:Ca202

b:108.0
occ:1.00
 O G:THR62 2.4 99.2 1.0
OD1 G:ASP56 2.4 106.1 1.0
OD1 G:ASN60 2.4 101.9 1.0
OD2 G:ASP56 2.7 103.0 1.0
CG G:ASP56 2.7 104.7 1.0
OE2 G:GLU67 2.8 94.3 1.0
OE1 G:GLU67 2.9 91.6 1.0
CD G:GLU67 3.2 93.7 1.0
CG G:ASN60 3.4 99.4 1.0
C G:THR62 3.6 99.0 1.0
ND2 G:ASN60 3.8 98.8 1.0
CB G:ASP58 3.9 106.8 1.0
CB G:ASP56 4.0 103.3 1.0
OG1 G:THR62 4.0 98.1 1.0
N G:ASP58 4.1 107.8 1.0
N G:THR62 4.1 96.1 1.0
OD2 G:ASP58 4.2 111.5 1.0
CA G:ASP56 4.2 105.7 1.0
CA G:THR62 4.4 97.6 1.0
N G:ALA57 4.4 102.8 1.0
CG G:ASP58 4.4 110.5 1.0
CA G:ASP58 4.5 107.8 1.0
N G:ASN60 4.5 100.4 1.0
N G:GLY59 4.5 106.8 1.0
N G:ILE63 4.6 90.7 1.0
OD1 G:ASP64 4.6 88.2 1.0
CG G:GLU67 4.6 93.8 1.0
C G:ASP56 4.7 106.0 1.0
N G:GLY61 4.7 98.5 1.0
CA G:ILE63 4.7 88.1 1.0
CB G:ASN60 4.8 98.5 1.0
C G:ASP58 4.8 109.4 1.0
CB G:THR62 4.9 95.8 1.0

Calcium binding site 7 out of 8 in 8v3g

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Calcium binding site 7 out of 8 in the Cryo-Em Structure of the KCA2.2 Channel with Inhibitor Ucl 1684.


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 7 of Cryo-Em Structure of the KCA2.2 Channel with Inhibitor Ucl 1684. within 5.0Å range:
probe atom residue distance (Å) B Occ
H:Ca201

b:104.5
occ:1.00
 OD1 H:ASP24 2.3 103.9 1.0
O H:THR26 2.4 96.3 1.0
OE1 H:GLU31 2.4 96.4 1.0
OE2 H:GLU31 2.5 96.2 1.0
OD2 H:ASP24 2.5 104.8 1.0
CD H:GLU31 2.7 95.8 1.0
CG H:ASP24 2.7 105.1 1.0
OD1 H:ASP20 3.4 94.3 1.0
C H:THR26 3.6 95.1 1.0
OG1 H:THR26 3.8 98.8 1.0
OD2 H:ASP22 3.8 103.6 1.0
CB H:ASP22 3.8 100.9 1.0
CG H:GLU31 4.1 93.8 1.0
CG H:ASP22 4.2 104.4 1.0
CB H:ASP24 4.3 103.8 1.0
CG2 H:THR28 4.4 91.8 1.0
N H:THR26 4.4 93.0 1.0
CG H:ASP20 4.4 95.3 1.0
CA H:THR26 4.4 95.0 1.0
N H:ASP22 4.5 102.5 1.0
N H:ILE27 4.5 86.3 1.0
CA H:ILE27 4.6 86.8 1.0
CB H:THR26 4.6 98.4 1.0
N H:THR28 4.7 90.2 1.0
N H:ASP24 4.7 104.3 1.0
CA H:ASP22 4.7 100.0 1.0
CA H:ASP20 4.8 93.6 1.0
CA H:ASP24 5.0 103.2 1.0

Calcium binding site 8 out of 8 in 8v3g

Go back to Calcium Binding Sites List in 8v3g
Calcium binding site 8 out of 8 in the Cryo-Em Structure of the KCA2.2 Channel with Inhibitor Ucl 1684.


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 8 of Cryo-Em Structure of the KCA2.2 Channel with Inhibitor Ucl 1684. within 5.0Å range:
probe atom residue distance (Å) B Occ
H:Ca202

b:109.2
occ:1.00
 O H:THR62 2.4 98.4 1.0
OD1 H:ASP56 2.4 105.9 1.0
OD1 H:ASN60 2.4 103.7 1.0
OD2 H:ASP56 2.5 104.6 1.0
CG H:ASP56 2.6 105.0 1.0
OE2 H:GLU67 2.9 93.8 1.0
OE1 H:GLU67 3.1 92.5 1.0
CD H:GLU67 3.3 93.5 1.0
CG H:ASN60 3.4 101.0 1.0
C H:THR62 3.5 98.0 1.0
ND2 H:ASN60 3.8 99.7 1.0
CB H:ASP58 3.9 107.7 1.0
CB H:ASP56 3.9 104.0 1.0
N H:THR62 4.0 95.1 1.0
N H:ASP58 4.1 108.3 1.0
OD2 H:ASP58 4.1 111.0 1.0
CA H:ASP56 4.3 107.5 1.0
CA H:THR62 4.3 97.2 1.0
CG H:ASP58 4.3 110.7 1.0
N H:ALA57 4.4 104.4 1.0
CA H:ASP58 4.5 108.7 1.0
N H:ILE63 4.6 89.6 1.0
N H:ASN60 4.6 101.2 1.0
N H:GLY59 4.6 107.6 1.0
OD1 H:ASP64 4.7 87.9 1.0
CB H:THR62 4.7 95.6 1.0
CG H:GLU67 4.7 93.1 1.0
CA H:ILE63 4.8 86.9 1.0
C H:ASP56 4.8 107.6 1.0
CB H:ASN60 4.8 99.7 1.0
N H:GLY61 4.8 98.6 1.0
C H:ASP58 4.9 110.4 1.0

Reference:

Y.W.Nam, D.Im, A.Santa Cruz Garcia, M.L.Tringides, H.M.Nguyen, Y.Liu, R.Orfali, A.Ramanishka, G.Pintilie, C.C.Su, M.Cui, D.E.Logothetis, E.W.Yu, H.Wulff, K.G.Chandy, M.Zhang. Cryo-Em Structures of the Small-Conductance CA2+-Activated KCA2.2 Channel Nat Commun 2025.
ISSN: ESSN 2041-1723
Page generated: Thu Jul 10 07:54:51 2025

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