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Calcium in PDB 9vec: Structure of Human KCNQ1-KCNE1-Cam Complex

Calcium Binding Sites:

The binding sites of Calcium atom in the Structure of Human KCNQ1-KCNE1-Cam Complex (pdb code 9vec). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 8 binding sites of Calcium where determined in the Structure of Human KCNQ1-KCNE1-Cam Complex, PDB code: 9vec:
Jump to Calcium binding site number: 1; 2; 3; 4; 5; 6; 7; 8;

Calcium binding site 1 out of 8 in 9vec

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Calcium binding site 1 out of 8 in the Structure of Human KCNQ1-KCNE1-Cam Complex


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Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Structure of Human KCNQ1-KCNE1-Cam Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
K:Ca201

b:0.0
occ:1.00
 O K:THR27 2.3 0.0 1.0
OE2 K:GLU32 2.3 0.0 1.0
OD1 K:ASP21 2.3 0.0 1.0
OD1 K:ASP23 2.8 0.0 1.0
CD K:GLU32 3.1 0.0 1.0
OE1 K:GLU32 3.2 0.0 1.0
CB K:ASP25 3.3 0.0 1.0
C K:THR27 3.5 0.0 1.0
CG K:ASP21 3.5 0.0 1.0
CG K:ASP23 3.6 0.0 1.0
OD2 K:ASP23 3.7 0.0 1.0
OG1 K:THR27 3.8 0.0 1.0
CG K:ASP25 3.8 0.0 1.0
OD2 K:ASP25 3.9 0.0 1.0
N K:THR27 4.1 0.0 1.0
OD2 K:ASP21 4.1 0.0 1.0
CA K:THR27 4.2 0.0 1.0
O K:ASP21 4.3 0.0 1.0
O K:ASP23 4.4 0.0 1.0
N K:ILE28 4.5 0.0 1.0
CA K:ASP25 4.5 0.0 1.0
CG K:GLU32 4.5 0.0 1.0
CG2 K:THR29 4.6 0.0 1.0
CB K:THR27 4.6 0.0 1.0
CB K:ASP21 4.6 0.0 1.0
OD1 K:ASP25 4.6 0.0 1.0
CA K:ILE28 4.7 0.0 1.0
CA K:ASP21 4.7 0.0 1.0
N K:GLY26 4.7 0.0 1.0
N K:ASP25 4.8 0.0 1.0
C K:ASP21 4.9 0.0 1.0
C K:ASP25 4.9 0.0 1.0

Calcium binding site 2 out of 8 in 9vec

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Calcium binding site 2 out of 8 in the Structure of Human KCNQ1-KCNE1-Cam Complex


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Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Structure of Human KCNQ1-KCNE1-Cam Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
K:Ca202

b:0.0
occ:1.00
 OD1 K:ASN61 2.4 0.0 1.0
OE2 K:GLU68 2.4 0.0 1.0
O K:THR63 2.4 0.0 1.0
OE1 K:GLU68 2.6 0.0 1.0
CD K:GLU68 2.9 0.0 1.0
CG K:ASN61 3.2 0.0 1.0
ND2 K:ASN61 3.3 0.0 1.0
CB K:ASP57 3.4 0.0 1.0
C K:THR63 3.6 0.0 1.0
CB K:ASP59 3.7 0.0 1.0
CA K:ASP57 4.1 0.0 1.0
N K:ASP59 4.3 0.0 1.0
N K:THR63 4.4 0.0 1.0
CG K:GLU68 4.4 0.0 1.0
N K:ILE64 4.4 0.0 1.0
CA K:ILE64 4.4 0.0 1.0
OG1 K:THR63 4.5 0.0 1.0
CA K:ASP59 4.5 0.0 1.0
OD1 K:ASP65 4.5 0.0 1.0
CA K:THR63 4.5 0.0 1.0
CG K:ASP57 4.6 0.0 1.0
N K:ASP65 4.6 0.0 1.0
CB K:ASN61 4.6 0.0 1.0
C K:ASP57 4.7 0.0 1.0
OD2 K:ASP57 4.7 0.0 1.0
CG K:ASP65 4.7 0.0 1.0
N K:ASN61 4.8 0.0 1.0
N K:ALA58 4.8 0.0 1.0
OD2 K:ASP65 4.8 0.0 1.0
C K:ASP59 4.9 0.0 1.0
C K:ILE64 4.9 0.0 1.0
N K:GLY62 5.0 0.0 1.0

Calcium binding site 3 out of 8 in 9vec

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Calcium binding site 3 out of 8 in the Structure of Human KCNQ1-KCNE1-Cam Complex


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 3 of Structure of Human KCNQ1-KCNE1-Cam Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Ca201

b:0.0
occ:1.00
 O B:THR27 2.3 0.0 1.0
OE2 B:GLU32 2.3 0.0 1.0
OD1 B:ASP21 2.3 0.0 1.0
OD1 B:ASP23 2.8 0.0 1.0
CD B:GLU32 3.1 0.0 1.0
OE1 B:GLU32 3.2 0.0 1.0
CB B:ASP25 3.3 0.0 1.0
C B:THR27 3.5 0.0 1.0
CG B:ASP21 3.5 0.0 1.0
CG B:ASP23 3.6 0.0 1.0
OD2 B:ASP23 3.7 0.0 1.0
OG1 B:THR27 3.8 0.0 1.0
CG B:ASP25 3.8 0.0 1.0
OD2 B:ASP25 3.9 0.0 1.0
N B:THR27 4.1 0.0 1.0
OD2 B:ASP21 4.1 0.0 1.0
CA B:THR27 4.2 0.0 1.0
O B:ASP21 4.3 0.0 1.0
O B:ASP23 4.4 0.0 1.0
N B:ILE28 4.5 0.0 1.0
CA B:ASP25 4.5 0.0 1.0
CG B:GLU32 4.5 0.0 1.0
CG2 B:THR29 4.6 0.0 1.0
CB B:THR27 4.6 0.0 1.0
OD1 B:ASP25 4.6 0.0 1.0
CB B:ASP21 4.6 0.0 1.0
CA B:ILE28 4.7 0.0 1.0
CA B:ASP21 4.7 0.0 1.0
N B:GLY26 4.7 0.0 1.0
N B:ASP25 4.8 0.0 1.0
C B:ASP21 4.9 0.0 1.0
C B:ASP25 4.9 0.0 1.0

Calcium binding site 4 out of 8 in 9vec

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Calcium binding site 4 out of 8 in the Structure of Human KCNQ1-KCNE1-Cam Complex


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 4 of Structure of Human KCNQ1-KCNE1-Cam Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Ca202

b:0.0
occ:1.00
 OD1 B:ASN61 2.4 0.0 1.0
OE2 B:GLU68 2.4 0.0 1.0
O B:THR63 2.4 0.0 1.0
OE1 B:GLU68 2.6 0.0 1.0
CD B:GLU68 2.9 0.0 1.0
CG B:ASN61 3.2 0.0 1.0
ND2 B:ASN61 3.3 0.0 1.0
CB B:ASP57 3.4 0.0 1.0
C B:THR63 3.6 0.0 1.0
CB B:ASP59 3.7 0.0 1.0
CA B:ASP57 4.1 0.0 1.0
N B:ASP59 4.3 0.0 1.0
N B:THR63 4.4 0.0 1.0
CG B:GLU68 4.4 0.0 1.0
N B:ILE64 4.4 0.0 1.0
CA B:ILE64 4.4 0.0 1.0
CA B:ASP59 4.5 0.0 1.0
OG1 B:THR63 4.5 0.0 1.0
OD1 B:ASP65 4.5 0.0 1.0
CA B:THR63 4.5 0.0 1.0
CG B:ASP57 4.6 0.0 1.0
N B:ASP65 4.6 0.0 1.0
CB B:ASN61 4.6 0.0 1.0
C B:ASP57 4.7 0.0 1.0
OD2 B:ASP57 4.7 0.0 1.0
CG B:ASP65 4.7 0.0 1.0
N B:ASN61 4.8 0.0 1.0
N B:ALA58 4.8 0.0 1.0
OD2 B:ASP65 4.8 0.0 1.0
C B:ASP59 4.9 0.0 1.0
C B:ILE64 4.9 0.0 1.0
N B:GLY62 5.0 0.0 1.0

Calcium binding site 5 out of 8 in 9vec

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Calcium binding site 5 out of 8 in the Structure of Human KCNQ1-KCNE1-Cam Complex


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 5 of Structure of Human KCNQ1-KCNE1-Cam Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
E:Ca201

b:0.0
occ:1.00
 O E:THR27 2.3 0.0 1.0
OE2 E:GLU32 2.3 0.0 1.0
OD1 E:ASP21 2.3 0.0 1.0
OD1 E:ASP23 2.8 0.0 1.0
CD E:GLU32 3.1 0.0 1.0
OE1 E:GLU32 3.2 0.0 1.0
CB E:ASP25 3.3 0.0 1.0
C E:THR27 3.5 0.0 1.0
CG E:ASP21 3.5 0.0 1.0
CG E:ASP23 3.6 0.0 1.0
OD2 E:ASP23 3.7 0.0 1.0
OG1 E:THR27 3.8 0.0 1.0
CG E:ASP25 3.8 0.0 1.0
OD2 E:ASP25 3.9 0.0 1.0
N E:THR27 4.1 0.0 1.0
OD2 E:ASP21 4.1 0.0 1.0
CA E:THR27 4.2 0.0 1.0
O E:ASP21 4.3 0.0 1.0
O E:ASP23 4.4 0.0 1.0
N E:ILE28 4.5 0.0 1.0
CA E:ASP25 4.5 0.0 1.0
CG E:GLU32 4.5 0.0 1.0
CG2 E:THR29 4.6 0.0 1.0
CB E:THR27 4.6 0.0 1.0
CB E:ASP21 4.6 0.0 1.0
OD1 E:ASP25 4.6 0.0 1.0
CA E:ILE28 4.7 0.0 1.0
CA E:ASP21 4.7 0.0 1.0
N E:GLY26 4.7 0.0 1.0
N E:ASP25 4.8 0.0 1.0
C E:ASP21 4.9 0.0 1.0
C E:ASP25 4.9 0.0 1.0

Calcium binding site 6 out of 8 in 9vec

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Calcium binding site 6 out of 8 in the Structure of Human KCNQ1-KCNE1-Cam Complex


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 6 of Structure of Human KCNQ1-KCNE1-Cam Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
E:Ca202

b:0.0
occ:1.00
 OD1 E:ASN61 2.4 0.0 1.0
OE2 E:GLU68 2.4 0.0 1.0
O E:THR63 2.4 0.0 1.0
OE1 E:GLU68 2.6 0.0 1.0
CD E:GLU68 2.9 0.0 1.0
CG E:ASN61 3.2 0.0 1.0
ND2 E:ASN61 3.3 0.0 1.0
CB E:ASP57 3.4 0.0 1.0
C E:THR63 3.6 0.0 1.0
CB E:ASP59 3.7 0.0 1.0
CA E:ASP57 4.1 0.0 1.0
N E:ASP59 4.3 0.0 1.0
N E:THR63 4.4 0.0 1.0
CG E:GLU68 4.4 0.0 1.0
N E:ILE64 4.4 0.0 1.0
CA E:ILE64 4.4 0.0 1.0
CA E:ASP59 4.5 0.0 1.0
OG1 E:THR63 4.5 0.0 1.0
OD1 E:ASP65 4.5 0.0 1.0
CA E:THR63 4.5 0.0 1.0
CG E:ASP57 4.6 0.0 1.0
N E:ASP65 4.6 0.0 1.0
CB E:ASN61 4.6 0.0 1.0
C E:ASP57 4.7 0.0 1.0
OD2 E:ASP57 4.7 0.0 1.0
CG E:ASP65 4.7 0.0 1.0
N E:ASN61 4.8 0.0 1.0
N E:ALA58 4.8 0.0 1.0
OD2 E:ASP65 4.8 0.0 1.0
C E:ASP59 4.9 0.0 1.0
C E:ILE64 4.9 0.0 1.0
N E:GLY62 5.0 0.0 1.0

Calcium binding site 7 out of 8 in 9vec

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Calcium binding site 7 out of 8 in the Structure of Human KCNQ1-KCNE1-Cam Complex


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 7 of Structure of Human KCNQ1-KCNE1-Cam Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
H:Ca201

b:0.0
occ:1.00
 O H:THR27 2.3 0.0 1.0
OE2 H:GLU32 2.3 0.0 1.0
OD1 H:ASP21 2.3 0.0 1.0
OD1 H:ASP23 2.8 0.0 1.0
CD H:GLU32 3.1 0.0 1.0
OE1 H:GLU32 3.2 0.0 1.0
CB H:ASP25 3.3 0.0 1.0
C H:THR27 3.5 0.0 1.0
CG H:ASP21 3.5 0.0 1.0
CG H:ASP23 3.6 0.0 1.0
OD2 H:ASP23 3.7 0.0 1.0
OG1 H:THR27 3.8 0.0 1.0
CG H:ASP25 3.8 0.0 1.0
OD2 H:ASP25 3.9 0.0 1.0
N H:THR27 4.0 0.0 1.0
OD2 H:ASP21 4.1 0.0 1.0
CA H:THR27 4.2 0.0 1.0
O H:ASP21 4.3 0.0 1.0
O H:ASP23 4.4 0.0 1.0
N H:ILE28 4.5 0.0 1.0
CA H:ASP25 4.5 0.0 1.0
CG H:GLU32 4.5 0.0 1.0
CG2 H:THR29 4.6 0.0 1.0
CB H:THR27 4.6 0.0 1.0
OD1 H:ASP25 4.6 0.0 1.0
CB H:ASP21 4.6 0.0 1.0
CA H:ILE28 4.7 0.0 1.0
CA H:ASP21 4.7 0.0 1.0
N H:GLY26 4.7 0.0 1.0
N H:ASP25 4.8 0.0 1.0
C H:ASP21 4.9 0.0 1.0
C H:ASP25 4.9 0.0 1.0

Calcium binding site 8 out of 8 in 9vec

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Calcium binding site 8 out of 8 in the Structure of Human KCNQ1-KCNE1-Cam Complex


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 8 of Structure of Human KCNQ1-KCNE1-Cam Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
H:Ca202

b:0.0
occ:1.00
 OD1 H:ASN61 2.4 0.0 1.0
OE2 H:GLU68 2.4 0.0 1.0
O H:THR63 2.4 0.0 1.0
OE1 H:GLU68 2.6 0.0 1.0
CD H:GLU68 2.9 0.0 1.0
CG H:ASN61 3.2 0.0 1.0
ND2 H:ASN61 3.3 0.0 1.0
CB H:ASP57 3.4 0.0 1.0
C H:THR63 3.6 0.0 1.0
CB H:ASP59 3.7 0.0 1.0
CA H:ASP57 4.1 0.0 1.0
N H:ASP59 4.3 0.0 1.0
N H:THR63 4.4 0.0 1.0
CG H:GLU68 4.4 0.0 1.0
N H:ILE64 4.4 0.0 1.0
CA H:ILE64 4.4 0.0 1.0
OG1 H:THR63 4.5 0.0 1.0
CA H:ASP59 4.5 0.0 1.0
OD1 H:ASP65 4.5 0.0 1.0
CA H:THR63 4.5 0.0 1.0
CG H:ASP57 4.6 0.0 1.0
N H:ASP65 4.6 0.0 1.0
CB H:ASN61 4.6 0.0 1.0
C H:ASP57 4.7 0.0 1.0
OD2 H:ASP57 4.7 0.0 1.0
CG H:ASP65 4.7 0.0 1.0
N H:ASN61 4.8 0.0 1.0
N H:ALA58 4.8 0.0 1.0
OD2 H:ASP65 4.8 0.0 1.0
C H:ASP59 4.9 0.0 1.0
C H:ILE64 4.9 0.0 1.0
N H:GLY62 5.0 0.0 1.0

Reference:

C.Cui, L.Zhao, A.A.Kermani, S.Du, T.Pipatpolkai, M.Jiang, S.Chittori, Y.Z.Tan, J.Shi, L.Delemotte, J.Cui, J.Sun. Mechanisms of KCNQ1 Gating Modulation By KCNE1/3 For Cell-Specific Function. Cell Res. 2025.
ISSN: ISSN 1001-0602
PubMed: 40745202
DOI: 10.1038/S41422-025-01152-1
Page generated: Tue Aug 26 19:37:35 2025

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