Current Protein Identity:Q9Y6H6
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Difference tags compare only the current result set; every original PDB and assembly record remains separate.
Related-Structure Differences
Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.
| PDB Entry | Assembly / Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Non-polymers | Experimental Method | Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|---|
| 2NDJ Structural Basis for KCNE3 and Estrogen Modulation of the KCNQ1 Channel Deposited 2016-06-09 | Assembly 1 Protein monomer Monomer;Protein × 1 PDB declaration: monomeric(1) Consistent with protein count |
Chain A
1–103(103 aa)
|
Not recorded | No recorded non-water small molecule | SOLUTION NMR |
NMR measurement conditions
pH 6.5;313 K
NMR sample composition
0.8 mM [U-100% 13C; U-100% 15N; U-80% 2H] protein, 90% H2O/10% D2O | 90% H2O/10% D2O
|
Resolution not provided |
| 6V00 structure of human KCNQ1-KCNE3-CaM complex Deposited 2019-11-16 | Assembly 1 Insufficient information Heteromer;Protein × 12 PDB declaration: dodecameric(12) Consistent with protein count |
Chain C
1–103(103 aa)
Chain F
1–103(103 aa)
Chain I
1–103(103 aa)
Chain L
1–103(103 aa)
|
Not recorded | CA CALCIUM ION × 8 | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.4
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.10 Å |
| 6V01 structure of human KCNQ1-KCNE3-CaM complex with PIP2 Deposited 2019-11-18 | Assembly 1 Protein heterocomplex Heteromer;Protein × 12 PDB declaration: dodecameric(12) Consistent with protein count |
Chain C
1–103(103 aa)
Chain F
1–103(103 aa)
Chain I
1–103(103 aa)
Chain L
1–103(103 aa)
|
Not recorded | CA CALCIUM ION × 8 PT5 [(2R)-1-octadecanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phospho ryl]oxy-propan-2-yl] (8Z)-icosa-5,8,11,14-tetraenoate × 4 | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.4
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.90 Å |
| 9WD8 structure of human KCNQ1-KCNE3-CaM complex with two PIP2 Deposited 2025-08-18 | Assembly 1 Protein heterocomplex Heteromer;Protein × 12 PDB declaration: dodecameric(12) Consistent with protein count |
Chain C
1–103(103 aa)
Chain F
1–103(103 aa)
Chain I
1–103(103 aa)
Chain L
1–103(103 aa)
|
Not recorded | CA CALCIUM ION × 8 A1BBG (2R)-3-{[(S)-hydroxy{[(1R,2R,3S,4R,5R,6S)-2,3,6-trihydroxy-4,5-bis(phosphonooxy)cyclohexyl]oxy}phosphoryl]oxy}propane-1,2-diyl di[(9Z)-octadec-9-enoate] × 8 | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.4
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.90 Å |