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

Other elements in 9czq:

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

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

Calcium Binding Sites:

The binding sites of Calcium atom in the CA2+ Bound Open-Inactivated HSLO1 + BETA2N-BETA4 Channel in Detergent. (pdb code 9czq). 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 Detergent., PDB code: 9czq:
Jump to Calcium binding site number: 1; 2; 3; 4; 5; 6; 7; 8;

Calcium binding site 1 out of 8 in 9czq

Go back to Calcium Binding Sites List in 9czq
Calcium binding site 1 out of 8 in the CA2+ Bound Open-Inactivated HSLO1 + BETA2N-BETA4 Channel in Detergent.


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 Detergent. within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca1102

b:77.2
occ:1.00
 OD2 A:ASP367 2.3 87.5 1.0
OE2 A:GLU535 2.3 80.0 1.0
OE1 A:GLU535 2.3 77.8 1.0
O A:SER533 2.4 84.0 1.0
O A:SER600 2.4 96.1 1.0
O A:ARG514 2.5 78.3 1.0
CD A:GLU535 2.7 77.7 1.0
CG A:ASP367 3.4 88.5 1.0
C A:SER533 3.5 78.5 1.0
C A:SER600 3.6 90.2 1.0
C A:ARG514 3.7 77.0 1.0
CB A:ASP367 4.1 81.2 1.0
N A:ARG514 4.1 71.2 1.0
CG A:GLU535 4.2 73.9 1.0
N A:ASN534 4.3 75.0 1.0
OH A:TYR537 4.3 94.2 1.0
CA A:SER600 4.4 85.3 1.0
CA A:SER533 4.4 82.7 1.0
OD1 A:ASP367 4.4 94.0 1.0
CA A:ASN534 4.4 75.7 1.0
CA A:ARG514 4.4 71.6 1.0
N A:GLU535 4.5 82.7 1.0
C A:ASN534 4.6 79.4 1.0
N A:SER515 4.6 80.2 1.0
OG A:SER600 4.6 92.7 1.0
N A:ASP601 4.6 91.2 1.0
CA A:ASP601 4.8 92.5 1.0
CA A:SER515 4.8 85.2 1.0
O A:ALA599 4.9 78.1 1.0
CB A:SER533 4.9 84.8 1.0
CB A:ASP601 4.9 101.3 1.0
CB A:GLU535 5.0 66.9 1.0

Calcium binding site 2 out of 8 in 9czq

Go back to Calcium Binding Sites List in 9czq
Calcium binding site 2 out of 8 in the CA2+ Bound Open-Inactivated HSLO1 + BETA2N-BETA4 Channel in Detergent.


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 Detergent. within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca1103

b:76.0
occ:1.00
 O A:ASP892 2.2 78.0 1.0
OD2 A:ASP897 2.3 94.5 1.0
O A:GLN889 2.3 72.7 1.0
OD1 A:ASP897 2.4 97.3 1.0
OD1 A:ASP895 2.5 95.5 1.0
CG A:ASP897 2.7 92.0 1.0
OD1 D:ASN449 2.7 86.6 1.0
CG A:ASP895 3.3 91.9 1.0
C A:ASP892 3.4 78.6 1.0
OD2 A:ASP895 3.5 86.3 1.0
C A:GLN889 3.5 67.4 1.0
CG D:ASN449 3.6 77.2 1.0
ND2 D:ASN449 3.7 65.6 1.0
O A:ASP895 3.8 89.0 1.0
CA A:GLN889 4.1 65.5 1.0
CB A:ASP897 4.2 81.5 1.0
N A:GLN893 4.2 79.2 1.0
N A:ASP892 4.3 70.5 1.0
CA A:ASP892 4.3 73.8 1.0
CA A:GLN893 4.3 82.9 1.0
C A:ASP895 4.5 89.0 1.0
N A:PHE890 4.6 65.5 1.0
CB A:GLN889 4.6 68.3 1.0
CB A:ASP892 4.6 78.0 1.0
CB A:ASP895 4.7 90.8 1.0
C A:GLN893 4.8 90.0 1.0
CA A:PHE890 4.8 61.0 1.0
O A:GLN893 4.9 91.9 1.0
CA A:ASP897 5.0 85.0 1.0
N A:ASP895 5.0 87.2 1.0
CB D:ASN449 5.0 73.6 1.0
N A:ASP897 5.0 87.9 1.0
CA A:ASP895 5.0 88.8 1.0

Calcium binding site 3 out of 8 in 9czq

Go back to Calcium Binding Sites List in 9czq
Calcium binding site 3 out of 8 in the CA2+ Bound Open-Inactivated HSLO1 + BETA2N-BETA4 Channel in Detergent.


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 Detergent. within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Ca1102

b:77.2
occ:1.00
 O B:SER533 2.1 84.0 1.0
OD2 B:ASP367 2.3 87.5 1.0
O B:SER600 2.4 96.1 1.0
O B:ARG514 2.4 78.3 1.0
OE2 B:GLU535 2.8 80.0 1.0
OE1 B:GLU535 2.8 77.8 1.0
CD B:GLU535 3.2 77.7 1.0
C B:SER533 3.3 78.5 1.0
CG B:ASP367 3.4 88.5 1.0
C B:SER600 3.6 90.2 1.0
C B:ARG514 3.6 77.0 1.0
CA B:SER533 4.1 82.7 1.0
CA B:SER600 4.2 85.3 1.0
N B:ASN534 4.3 75.0 1.0
OG B:SER600 4.3 92.7 1.0
OD1 B:ASP367 4.3 94.0 1.0
CB B:ASP367 4.3 81.2 1.0
N B:ARG514 4.4 71.2 1.0
CA B:ASN534 4.5 75.7 1.0
N B:SER515 4.5 80.2 1.0
CA B:ARG514 4.5 71.6 1.0
CB B:SER533 4.5 84.8 1.0
CA B:SER515 4.6 85.2 1.0
N B:ASP601 4.7 91.2 1.0
CG B:GLU535 4.7 73.9 1.0
OH B:TYR537 4.8 94.2 1.0
N B:GLU535 4.8 82.7 1.0
C B:ASN534 4.8 79.4 1.0
CB B:SER600 4.9 89.4 1.0
C B:SER515 4.9 94.3 1.0
CA B:ASP601 5.0 92.5 1.0
CB B:ASP601 5.0 101.3 1.0
O B:ALA599 5.0 78.1 1.0

Calcium binding site 4 out of 8 in 9czq

Go back to Calcium Binding Sites List in 9czq
Calcium binding site 4 out of 8 in the CA2+ Bound Open-Inactivated HSLO1 + BETA2N-BETA4 Channel in Detergent.


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 Detergent. within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Ca1103

b:76.0
occ:1.00
 O B:ASP892 2.2 78.0 1.0
OD2 B:ASP897 2.3 94.5 1.0
O B:GLN889 2.3 72.7 1.0
OD1 B:ASP897 2.4 97.3 1.0
OD1 B:ASP895 2.4 95.5 1.0
OD1 A:ASN449 2.6 86.6 1.0
CG B:ASP897 2.7 92.0 1.0
CG B:ASP895 3.3 91.9 1.0
C B:ASP892 3.3 78.6 1.0
OD2 B:ASP895 3.4 86.3 1.0
C B:GLN889 3.5 67.4 1.0
CG A:ASN449 3.5 77.2 1.0
ND2 A:ASN449 3.7 65.6 1.0
O B:ASP895 3.8 89.0 1.0
CA B:GLN889 4.1 65.5 1.0
CB B:ASP897 4.2 81.5 1.0
N B:GLN893 4.2 79.2 1.0
N B:ASP892 4.2 70.5 1.0
CA B:ASP892 4.2 73.8 1.0
CA B:GLN893 4.3 82.9 1.0
C B:ASP895 4.5 89.0 1.0
CB B:ASP892 4.6 78.0 1.0
N B:PHE890 4.6 65.5 1.0
CB B:GLN889 4.6 68.3 1.0
CB B:ASP895 4.7 90.8 1.0
C B:GLN893 4.7 90.0 1.0
CA B:PHE890 4.8 61.0 1.0
O B:GLN893 4.9 91.9 1.0
CB A:ASN449 4.9 73.6 1.0
N B:ASP895 4.9 87.2 1.0
CA B:ASP895 5.0 88.8 1.0
CA B:ASP897 5.0 85.0 1.0
N B:ASP897 5.0 87.9 1.0

Calcium binding site 5 out of 8 in 9czq

Go back to Calcium Binding Sites List in 9czq
Calcium binding site 5 out of 8 in the CA2+ Bound Open-Inactivated HSLO1 + BETA2N-BETA4 Channel in Detergent.


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 Detergent. within 5.0Å range:
probe atom residue distance (Å) B Occ
C:Ca1103

b:77.2
occ:1.00
 O C:SER533 2.1 84.0 1.0
OD2 C:ASP367 2.3 87.5 1.0
O C:SER600 2.4 96.1 1.0
O C:ARG514 2.4 78.3 1.0
OE2 C:GLU535 2.8 80.0 1.0
OE1 C:GLU535 2.8 77.8 1.0
CD C:GLU535 3.2 77.7 1.0
C C:SER533 3.3 78.5 1.0
CG C:ASP367 3.4 88.5 1.0
C C:SER600 3.6 90.2 1.0
C C:ARG514 3.6 77.0 1.0
CA C:SER533 4.1 82.7 1.0
CA C:SER600 4.2 85.3 1.0
N C:ASN534 4.3 75.0 1.0
OG C:SER600 4.3 92.7 1.0
OD1 C:ASP367 4.3 94.0 1.0
CB C:ASP367 4.3 81.2 1.0
N C:ARG514 4.4 71.2 1.0
N C:SER515 4.5 80.2 1.0
CA C:ASN534 4.5 75.7 1.0
CA C:ARG514 4.5 71.6 1.0
CB C:SER533 4.5 84.8 1.0
CA C:SER515 4.6 85.2 1.0
N C:ASP601 4.7 91.2 1.0
CG C:GLU535 4.7 73.9 1.0
OH C:TYR537 4.8 94.2 1.0
N C:GLU535 4.8 82.7 1.0
C C:ASN534 4.8 79.4 1.0
CB C:SER600 4.9 89.4 1.0
C C:SER515 4.9 94.3 1.0
CA C:ASP601 5.0 92.5 1.0
CB C:ASP601 5.0 101.3 1.0
O C:ALA599 5.0 78.1 1.0

Calcium binding site 6 out of 8 in 9czq

Go back to Calcium Binding Sites List in 9czq
Calcium binding site 6 out of 8 in the CA2+ Bound Open-Inactivated HSLO1 + BETA2N-BETA4 Channel in Detergent.


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 Detergent. within 5.0Å range:
probe atom residue distance (Å) B Occ
C:Ca1104

b:76.0
occ:1.00
 O C:ASP892 2.2 78.0 1.0
OD2 C:ASP897 2.3 94.5 1.0
O C:GLN889 2.3 72.7 1.0
OD1 C:ASP897 2.4 97.3 1.0
OD1 C:ASP895 2.5 95.5 1.0
OD1 B:ASN449 2.6 86.6 1.0
CG C:ASP897 2.7 92.0 1.0
CG C:ASP895 3.3 91.9 1.0
C C:ASP892 3.3 78.6 1.0
OD2 C:ASP895 3.4 86.3 1.0
C C:GLN889 3.5 67.4 1.0
CG B:ASN449 3.5 77.2 1.0
ND2 B:ASN449 3.8 65.6 1.0
O C:ASP895 3.8 89.0 1.0
CA C:GLN889 4.1 65.5 1.0
CB C:ASP897 4.2 81.5 1.0
N C:GLN893 4.2 79.2 1.0
N C:ASP892 4.2 70.5 1.0
CA C:ASP892 4.2 73.8 1.0
CA C:GLN893 4.3 82.9 1.0
C C:ASP895 4.5 89.0 1.0
CB C:ASP892 4.6 78.0 1.0
N C:PHE890 4.6 65.5 1.0
CB C:GLN889 4.6 68.3 1.0
CB C:ASP895 4.7 90.8 1.0
C C:GLN893 4.8 90.0 1.0
CA C:PHE890 4.8 61.0 1.0
O C:GLN893 4.9 91.9 1.0
CB B:ASN449 4.9 73.6 1.0
N C:ASP895 4.9 87.2 1.0
CA C:ASP895 5.0 88.8 1.0
CA C:ASP897 5.0 85.0 1.0
N C:ASP897 5.0 87.9 1.0

Calcium binding site 7 out of 8 in 9czq

Go back to Calcium Binding Sites List in 9czq
Calcium binding site 7 out of 8 in the CA2+ Bound Open-Inactivated HSLO1 + BETA2N-BETA4 Channel in Detergent.


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 Detergent. within 5.0Å range:
probe atom residue distance (Å) B Occ
D:Ca1102

b:77.2
occ:1.00
 O D:SER533 2.1 84.0 1.0
OD2 D:ASP367 2.3 87.5 1.0
O D:ARG514 2.4 78.3 1.0
O D:SER600 2.4 96.1 1.0
OE2 D:GLU535 2.8 80.0 1.0
OE1 D:GLU535 2.8 77.8 1.0
CD D:GLU535 3.2 77.7 1.0
C D:SER533 3.3 78.5 1.0
CG D:ASP367 3.4 88.5 1.0
C D:SER600 3.6 90.2 1.0
C D:ARG514 3.6 77.0 1.0
CA D:SER533 4.1 82.7 1.0
CA D:SER600 4.2 85.3 1.0
N D:ASN534 4.3 75.0 1.0
OG D:SER600 4.3 92.7 1.0
OD1 D:ASP367 4.3 94.0 1.0
CB D:ASP367 4.3 81.2 1.0
N D:ARG514 4.4 71.2 1.0
N D:SER515 4.5 80.2 1.0
CA D:ASN534 4.5 75.7 1.0
CA D:ARG514 4.5 71.6 1.0
CB D:SER533 4.5 84.8 1.0
CA D:SER515 4.6 85.2 1.0
N D:ASP601 4.7 91.2 1.0
CG D:GLU535 4.7 73.9 1.0
OH D:TYR537 4.8 94.2 1.0
N D:GLU535 4.8 82.7 1.0
C D:ASN534 4.8 79.4 1.0
CB D:SER600 4.9 89.4 1.0
C D:SER515 4.9 94.3 1.0
CA D:ASP601 5.0 92.5 1.0
CB D:ASP601 5.0 101.3 1.0
O D:ALA599 5.0 78.1 1.0

Calcium binding site 8 out of 8 in 9czq

Go back to Calcium Binding Sites List in 9czq
Calcium binding site 8 out of 8 in the CA2+ Bound Open-Inactivated HSLO1 + BETA2N-BETA4 Channel in Detergent.


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 Detergent. within 5.0Å range:
probe atom residue distance (Å) B Occ
D:Ca1103

b:76.0
occ:1.00
 O D:ASP892 2.2 78.0 1.0
OD2 D:ASP897 2.3 94.5 1.0
O D:GLN889 2.3 72.7 1.0
OD1 D:ASP897 2.4 97.3 1.0
OD1 D:ASP895 2.5 95.5 1.0
OD1 C:ASN449 2.6 86.6 1.0
CG D:ASP897 2.7 92.0 1.0
CG D:ASP895 3.3 91.9 1.0
C D:ASP892 3.3 78.6 1.0
OD2 D:ASP895 3.4 86.3 1.0
C D:GLN889 3.5 67.4 1.0
CG C:ASN449 3.5 77.2 1.0
ND2 C:ASN449 3.7 65.6 1.0
O D:ASP895 3.8 89.0 1.0
CA D:GLN889 4.1 65.5 1.0
CB D:ASP897 4.2 81.5 1.0
N D:GLN893 4.2 79.2 1.0
N D:ASP892 4.2 70.5 1.0
CA D:ASP892 4.2 73.8 1.0
CA D:GLN893 4.3 82.9 1.0
C D:ASP895 4.5 89.0 1.0
N D:PHE890 4.6 65.5 1.0
CB D:ASP892 4.6 78.0 1.0
CB D:GLN889 4.6 68.3 1.0
CB D:ASP895 4.7 90.8 1.0
C D:GLN893 4.8 90.0 1.0
CA D:PHE890 4.8 61.0 1.0
O D:GLN893 4.9 91.9 1.0
CB C:ASN449 4.9 73.6 1.0
N D:ASP895 4.9 87.2 1.0
CA D:ASP895 5.0 88.8 1.0
CA D:ASP897 5.0 85.0 1.0
N D:ASP897 5.0 87.9 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 09:12:32 2025

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