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Calcium in PDB 9czm: CA2+ Bound Open-Inactivated HSLO1 + BETA2N-BETA4 Channel in Nanodisc.

Other elements in 9czm:

The structure of CA2+ Bound Open-Inactivated HSLO1 + BETA2N-BETA4 Channel in Nanodisc. also contains other interesting chemical elements:

Potassium (K) 4 atoms
Magnesium (Mg) 4 atoms

Calcium Binding Sites:

The binding sites of Calcium atom in the CA2+ Bound Open-Inactivated HSLO1 + BETA2N-BETA4 Channel in Nanodisc. (pdb code 9czm). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 8 binding sites of Calcium where determined in the CA2+ Bound Open-Inactivated HSLO1 + BETA2N-BETA4 Channel in Nanodisc., PDB code: 9czm:
Jump to Calcium binding site number: 1; 2; 3; 4; 5; 6; 7; 8;

Calcium binding site 1 out of 8 in 9czm

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Calcium binding site 1 out of 8 in the CA2+ Bound Open-Inactivated HSLO1 + BETA2N-BETA4 Channel in Nanodisc.


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of CA2+ Bound Open-Inactivated HSLO1 + BETA2N-BETA4 Channel in Nanodisc. within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca1103

b:91.1
occ:1.00
 OD2 A:ASP367 2.3 100.3 1.0
OE2 A:GLU535 2.3 98.4 1.0
O A:SER600 2.3 105.6 1.0
O A:SER533 2.4 93.0 1.0
OE1 A:GLU535 2.4 93.9 1.0
O A:ARG514 2.5 94.5 1.0
CD A:GLU535 2.7 96.1 1.0
CG A:ASP367 3.4 100.2 1.0
C A:ARG514 3.5 97.3 1.0
C A:SER533 3.5 91.4 1.0
C A:SER600 3.5 105.0 1.0
N A:ARG514 4.1 90.0 1.0
CB A:ASP367 4.1 92.7 1.0
CG A:GLU535 4.2 93.8 1.0
CA A:SER533 4.3 95.4 1.0
N A:SER515 4.3 99.5 1.0
CA A:ARG514 4.4 95.0 1.0
OD1 A:ASP367 4.4 104.4 1.0
OH A:TYR537 4.4 103.7 1.0
CA A:SER600 4.4 99.8 1.0
N A:ASP601 4.5 104.8 1.0
N A:ASN534 4.5 91.1 1.0
CA A:SER515 4.5 102.9 1.0
C A:ASN534 4.6 92.6 1.0
CA A:ASP601 4.6 103.5 1.0
N A:GLU535 4.6 94.0 1.0
CA A:ASN534 4.7 93.0 1.0
OG A:SER600 4.7 110.1 1.0
CB A:SER533 4.8 102.5 1.0
CB A:ASP601 4.8 108.1 1.0
O A:ALA599 4.9 96.3 1.0

Calcium binding site 2 out of 8 in 9czm

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Calcium binding site 2 out of 8 in the CA2+ Bound Open-Inactivated HSLO1 + BETA2N-BETA4 Channel in Nanodisc.


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of CA2+ Bound Open-Inactivated HSLO1 + BETA2N-BETA4 Channel in Nanodisc. within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca1104

b:116.6
occ:1.00
 OD2 A:ASP897 2.4 124.2 1.0
O A:ASP892 2.4 115.0 1.0
OD1 A:ASP897 2.4 121.7 1.0
O A:GLN889 2.5 103.5 1.0
OD1 A:ASP895 2.7 117.7 1.0
CG A:ASP897 2.7 121.8 1.0
CG A:ASP895 3.2 117.6 1.0
OD2 A:ASP895 3.2 114.9 1.0
C A:ASP892 3.4 114.3 1.0
ND2 D:ASN449 3.6 70.3 1.0
C A:GLN889 3.7 104.2 1.0
O A:ASP895 4.1 120.3 1.0
CB A:ASP897 4.3 119.9 1.0
N A:GLN893 4.3 114.2 1.0
CA A:ASP892 4.3 110.2 1.0
CA A:GLN893 4.3 117.5 1.0
CA A:GLN889 4.4 108.6 1.0
N A:ASP892 4.4 106.9 1.0
CB A:ASP892 4.5 111.8 1.0
CB A:ASP895 4.6 114.5 1.0
C A:ASP895 4.7 119.3 1.0
CG D:ASN449 4.7 66.6 1.0
N A:PHE890 4.7 104.1 1.0
CB A:GLN889 4.7 114.7 1.0
C A:GLN893 4.7 117.7 1.0
N A:ASP895 4.8 119.0 1.0
CA A:ASP895 4.9 116.8 1.0
O A:GLN893 4.9 119.4 1.0
OD1 D:ASN449 5.0 65.0 1.0
CA A:PHE890 5.0 103.0 1.0

Calcium binding site 3 out of 8 in 9czm

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Calcium binding site 3 out of 8 in the CA2+ Bound Open-Inactivated HSLO1 + BETA2N-BETA4 Channel in Nanodisc.


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 3 of CA2+ Bound Open-Inactivated HSLO1 + BETA2N-BETA4 Channel in Nanodisc. within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Ca1103

b:91.1
occ:1.00
 OD2 B:ASP367 2.0 100.3 1.0
O B:SER600 2.3 105.6 1.0
O B:ARG514 2.3 94.5 1.0
O B:SER533 2.5 93.0 1.0
OE2 B:GLU535 2.9 98.4 1.0
OE1 B:GLU535 3.1 93.9 1.0
CG B:ASP367 3.2 100.2 1.0
C B:ARG514 3.3 97.3 1.0
CD B:GLU535 3.4 96.1 1.0
C B:SER600 3.5 105.0 1.0
C B:SER533 3.6 91.4 1.0
CA B:SER515 4.0 102.9 1.0
OD1 B:ASP367 4.0 104.4 1.0
N B:SER515 4.0 99.5 1.0
CB B:ASP367 4.1 92.7 1.0
CA B:SER533 4.2 95.4 1.0
OG B:SER600 4.3 110.1 1.0
N B:ARG514 4.3 90.0 1.0
CA B:SER600 4.3 99.8 1.0
CA B:ARG514 4.4 95.0 1.0
N B:ASP601 4.5 104.8 1.0
CB B:SER533 4.6 102.5 1.0
C B:SER515 4.6 103.7 1.0
CA B:ASP601 4.7 103.5 1.0
CB B:ASP601 4.7 108.1 1.0
N B:ASN534 4.7 91.1 1.0
OH B:TYR537 4.9 103.7 1.0
N B:PHE516 4.9 108.3 1.0
CG B:GLU535 4.9 93.8 1.0
CB B:SER600 5.0 103.0 1.0

Calcium binding site 4 out of 8 in 9czm

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Calcium binding site 4 out of 8 in the CA2+ Bound Open-Inactivated HSLO1 + BETA2N-BETA4 Channel in Nanodisc.


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 4 of CA2+ Bound Open-Inactivated HSLO1 + BETA2N-BETA4 Channel in Nanodisc. within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Ca1104

b:116.6
occ:1.00
 O B:GLN889 2.1 103.5 1.0
OD2 B:ASP897 2.3 124.2 1.0
O B:ASP892 2.3 115.0 1.0
OD1 B:ASP897 2.7 121.7 1.0
ND2 A:ASN449 2.7 70.3 1.0
CG B:ASP897 2.8 121.8 1.0
C B:GLN889 3.3 104.2 1.0
OD1 B:ASP895 3.3 117.7 1.0
C B:ASP892 3.5 114.3 1.0
CG A:ASN449 3.7 66.6 1.0
OD2 B:ASP895 3.9 114.9 1.0
OD1 A:ASN449 3.9 65.0 1.0
CG B:ASP895 3.9 117.6 1.0
N B:PHE890 4.2 104.1 1.0
CA B:GLN889 4.2 108.6 1.0
CB B:ASP897 4.3 119.9 1.0
N B:ASP892 4.4 106.9 1.0
N B:GLN893 4.4 114.2 1.0
CA B:ASP892 4.4 110.2 1.0
CA B:PHE890 4.4 103.0 1.0
CA B:GLN893 4.4 117.5 1.0
CB B:GLN889 4.6 114.7 1.0
O A:ASN449 4.6 63.9 1.0
O B:ASP895 4.7 120.3 1.0
OE1 B:GLN889 4.7 107.8 1.0
C B:PHE890 4.8 98.7 1.0
CB B:ASP892 4.8 111.8 1.0
N B:LEU891 4.9 102.5 1.0

Calcium binding site 5 out of 8 in 9czm

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Calcium binding site 5 out of 8 in the CA2+ Bound Open-Inactivated HSLO1 + BETA2N-BETA4 Channel in Nanodisc.


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 5 of CA2+ Bound Open-Inactivated HSLO1 + BETA2N-BETA4 Channel in Nanodisc. within 5.0Å range:
probe atom residue distance (Å) B Occ
C:Ca1102

b:91.1
occ:1.00
 OD2 C:ASP367 2.2 100.3 1.0
O C:SER600 2.2 105.6 1.0
O C:SER533 2.4 93.0 1.0
O C:ARG514 2.4 94.5 1.0
OE2 C:GLU535 2.9 98.4 1.0
OE1 C:GLU535 3.0 93.9 1.0
CD C:GLU535 3.3 96.1 1.0
CG C:ASP367 3.3 100.2 1.0
C C:SER600 3.4 105.0 1.0
C C:ARG514 3.5 97.3 1.0
C C:SER533 3.5 91.4 1.0
CA C:SER533 4.1 95.4 1.0
OD1 C:ASP367 4.1 104.4 1.0
CA C:SER515 4.1 102.9 1.0
N C:SER515 4.2 99.5 1.0
CA C:SER600 4.2 99.8 1.0
CB C:ASP367 4.2 92.7 1.0
OG C:SER600 4.2 110.1 1.0
N C:ASP601 4.4 104.8 1.0
N C:ARG514 4.4 90.0 1.0
CB C:SER533 4.5 102.5 1.0
CA C:ARG514 4.5 95.0 1.0
CA C:ASP601 4.6 103.5 1.0
N C:ASN534 4.6 91.1 1.0
CB C:ASP601 4.7 108.1 1.0
C C:SER515 4.7 103.7 1.0
OH C:TYR537 4.8 103.7 1.0
CG C:GLU535 4.8 93.8 1.0
CB C:SER600 4.9 103.0 1.0
CA C:ASN534 4.9 93.0 1.0
C C:ASN534 4.9 92.6 1.0

Calcium binding site 6 out of 8 in 9czm

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Calcium binding site 6 out of 8 in the CA2+ Bound Open-Inactivated HSLO1 + BETA2N-BETA4 Channel in Nanodisc.


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 6 of CA2+ Bound Open-Inactivated HSLO1 + BETA2N-BETA4 Channel in Nanodisc. within 5.0Å range:
probe atom residue distance (Å) B Occ
C:Ca1103

b:116.6
occ:1.00
 O C:ASP892 2.3 115.0 1.0
OD1 C:ASP897 2.4 121.7 1.0
O C:GLN889 2.4 103.5 1.0
OD2 C:ASP897 2.5 124.2 1.0
OD1 C:ASP895 2.7 117.7 1.0
CG C:ASP897 2.8 121.8 1.0
OD2 C:ASP895 3.2 114.9 1.0
CG C:ASP895 3.2 117.6 1.0
C C:ASP892 3.3 114.3 1.0
ND2 B:ASN449 3.6 70.3 1.0
C C:GLN889 3.6 104.2 1.0
CA C:ASP892 4.2 110.2 1.0
O C:ASP895 4.2 120.3 1.0
N C:GLN893 4.2 114.2 1.0
N C:ASP892 4.3 106.9 1.0
CA C:GLN889 4.3 108.6 1.0
CA C:GLN893 4.3 117.5 1.0
CB C:ASP897 4.3 119.9 1.0
CB C:ASP892 4.4 111.8 1.0
CB C:ASP895 4.6 114.5 1.0
N C:PHE890 4.6 104.1 1.0
CG B:ASN449 4.6 66.6 1.0
CB C:GLN889 4.7 114.7 1.0
C C:ASP895 4.7 119.3 1.0
C C:GLN893 4.8 117.7 1.0
N C:ASP895 4.9 119.0 1.0
CA C:PHE890 4.9 103.0 1.0
OD1 B:ASN449 4.9 65.0 1.0
CA C:ASP895 5.0 116.8 1.0

Calcium binding site 7 out of 8 in 9czm

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Calcium binding site 7 out of 8 in the CA2+ Bound Open-Inactivated HSLO1 + BETA2N-BETA4 Channel in Nanodisc.


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 7 of CA2+ Bound Open-Inactivated HSLO1 + BETA2N-BETA4 Channel in Nanodisc. within 5.0Å range:
probe atom residue distance (Å) B Occ
D:Ca1104

b:91.1
occ:1.00
 OD2 D:ASP367 2.0 100.3 1.0
O D:SER600 2.3 105.6 1.0
O D:ARG514 2.3 94.5 1.0
O D:SER533 2.5 93.0 1.0
OE2 D:GLU535 2.9 98.4 1.0
OE1 D:GLU535 3.0 93.9 1.0
CG D:ASP367 3.2 100.2 1.0
C D:ARG514 3.3 97.3 1.0
CD D:GLU535 3.4 96.1 1.0
C D:SER600 3.5 105.0 1.0
C D:SER533 3.6 91.4 1.0
OD1 D:ASP367 4.0 104.4 1.0
N D:SER515 4.0 99.5 1.0
CA D:SER515 4.0 102.9 1.0
CB D:ASP367 4.1 92.7 1.0
CA D:SER533 4.2 95.4 1.0
N D:ARG514 4.3 90.0 1.0
CA D:SER600 4.4 99.8 1.0
OG D:SER600 4.4 110.1 1.0
CA D:ARG514 4.4 95.0 1.0
N D:ASP601 4.5 104.8 1.0
CB D:SER533 4.6 102.5 1.0
C D:SER515 4.6 103.7 1.0
CA D:ASP601 4.7 103.5 1.0
CB D:ASP601 4.7 108.1 1.0
N D:ASN534 4.7 91.1 1.0
OH D:TYR537 4.8 103.7 1.0
CG D:GLU535 4.9 93.8 1.0
N D:PHE516 5.0 108.3 1.0

Calcium binding site 8 out of 8 in 9czm

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Calcium binding site 8 out of 8 in the CA2+ Bound Open-Inactivated HSLO1 + BETA2N-BETA4 Channel in Nanodisc.


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 8 of CA2+ Bound Open-Inactivated HSLO1 + BETA2N-BETA4 Channel in Nanodisc. within 5.0Å range:
probe atom residue distance (Å) B Occ
D:Ca1105

b:116.6
occ:1.00
 O D:GLN889 2.0 103.5 1.0
O D:ASP892 2.3 115.0 1.0
OD2 D:ASP897 2.3 124.2 1.0
OD1 D:ASP897 2.8 121.7 1.0
ND2 C:ASN449 2.8 70.3 1.0
CG D:ASP897 2.9 121.8 1.0
C D:GLN889 3.2 104.2 1.0
OD1 D:ASP895 3.4 117.7 1.0
C D:ASP892 3.5 114.3 1.0
CG C:ASN449 3.8 66.6 1.0
OD2 D:ASP895 4.0 114.9 1.0
CG D:ASP895 4.0 117.6 1.0
OD1 C:ASN449 4.0 65.0 1.0
N D:PHE890 4.2 104.1 1.0
CA D:GLN889 4.2 108.6 1.0
CA D:PHE890 4.3 103.0 1.0
CB D:ASP897 4.3 119.9 1.0
N D:ASP892 4.4 106.9 1.0
N D:GLN893 4.4 114.2 1.0
CA D:ASP892 4.4 110.2 1.0
CA D:GLN893 4.4 117.5 1.0
CB D:GLN889 4.6 114.7 1.0
OE1 D:GLN889 4.7 107.8 1.0
C D:PHE890 4.7 98.7 1.0
O D:ASP895 4.8 120.3 1.0
CB D:ASP892 4.9 111.8 1.0
N D:LEU891 4.9 102.5 1.0

Reference:

S.Agarwal, E.D.Kim, S.Lee, A.Simon, A.Accardi, C.M.Nimigean. Ball-and-Chain Inactivation of A Human Large Conductance Calcium-Activated Potassium Channel. Nat Commun V. 16 1769 2025.
ISSN: ESSN 2041-1723
PubMed: 39971906
DOI: 10.1038/S41467-025-56844-4
Page generated: Thu Jul 10 09:11:32 2025

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