Zinc finger CCHC domain-containing protein 8
Homo sapiens
State in the Current Structure
| Assembly | Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Associated Components | Method and Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|
| 1 | Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count | Chain A; UniProt 41–337 Chain C; UniProt 41–337 | Not recorded | Exosome RNA helicase MTR4 × 2 (P42285) | ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE-PROPANE | Resolution 4.50 Å |
Other States of the Same Protein in the Database
Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.
| Other PDB | Difference from Current Entry 7Z4Y | Assembly / Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Non-polymers | Method and Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|---|
| 5LXR Structure of the minimal RBM7 - ZCCHC8 Complex Deposited 2016-09-22 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain B
285–324(40 aa)
|
Not recorded | SM SAMARIUM (III) ION × 3 BR BROMIDE ION × 4 CL CHLORIDE ION × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 6.5;291.15 K;0.1 M Bis-Tris-Propane pH 6.5
0.2 M NaBr
18% (v/v) PEG3350
7% (w/v) glycerol
|
Resolution 2.00 Å R-free 0.229 |
| 5LXY Structure of the minimal RBM7 - ZCCHC8 Complex Deposited 2016-09-23 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain D
285–324(40 aa)
|
Not recorded | BR BROMIDE ION × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 6.5;291.15 K;0.1 M Bis-Tris-Propane
0.2 M NaBr
0.1 M Sodium malonate
20% (w/v) PEG3350
|
Resolution 2.85 Å R-free 0.300 |
| 5LXY Structure of the minimal RBM7 - ZCCHC8 Complex Deposited 2016-09-23 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 2 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain C
285–324(40 aa)
|
Not recorded | BR BROMIDE ION × 2 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 6.5;291.15 K;0.1 M Bis-Tris-Propane
0.2 M NaBr
0.1 M Sodium malonate
20% (w/v) PEG3350
|
Resolution 2.85 Å R-free 0.300 |
| 5LXY Structure of the minimal RBM7 - ZCCHC8 Complex Deposited 2016-09-23 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 3 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain F
285–324(40 aa)
|
Not recorded | BR BROMIDE ION × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 6.5;291.15 K;0.1 M Bis-Tris-Propane
0.2 M NaBr
0.1 M Sodium malonate
20% (w/v) PEG3350
|
Resolution 2.85 Å R-free 0.300 |
| 5LXY Structure of the minimal RBM7 - ZCCHC8 Complex Deposited 2016-09-23 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 4 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain H
285–324(40 aa)
|
Not recorded | BR BROMIDE ION × 2 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 6.5;291.15 K;0.1 M Bis-Tris-Propane
0.2 M NaBr
0.1 M Sodium malonate
20% (w/v) PEG3350
|
Resolution 2.85 Å R-free 0.300 |
| 5LXY Structure of the minimal RBM7 - ZCCHC8 Complex Deposited 2016-09-23 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 5 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain J
285–324(40 aa)
|
Not recorded | BR BROMIDE ION × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 6.5;291.15 K;0.1 M Bis-Tris-Propane
0.2 M NaBr
0.1 M Sodium malonate
20% (w/v) PEG3350
|
Resolution 2.85 Å R-free 0.300 |
| 5LXY Structure of the minimal RBM7 - ZCCHC8 Complex Deposited 2016-09-23 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 6 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain L
285–324(40 aa)
|
Not recorded | BR BROMIDE ION × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 6.5;291.15 K;0.1 M Bis-Tris-Propane
0.2 M NaBr
0.1 M Sodium malonate
20% (w/v) PEG3350
|
Resolution 2.85 Å R-free 0.300 |
| 5LXY Structure of the minimal RBM7 - ZCCHC8 Complex Deposited 2016-09-23 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 7 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain N
285–324(40 aa)
|
Not recorded | BR BROMIDE ION × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;pH 6.5;291.15 K;0.1 M Bis-Tris-Propane
0.2 M NaBr
0.1 M Sodium malonate
20% (w/v) PEG3350
|
Resolution 2.85 Å R-free 0.300 |
| 6C90 Human Mtr4 helicase in complex with ZCCHC8-CTD Deposited 2018-01-25 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain B
659–707(49 aa)
|
Not recorded | ADP ADENOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 2 MLI MALONATE ION × 4 TLA L(+)-TARTARIC ACID × 1 |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;291 K;1.6 M sodium-potassium (L)-tartrate, 0.1 M Bis-Tris pH 6.5
|
Resolution 2.20 Å R-free 0.221 |
| 7S7B Human Nuclear exosome targeting (NEXT) complex homodimer bound to RNA (substrate 1) Deposited 2021-09-15 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–RNA Heteromer;Protein × 6 PDB declaration: octameric |
Chain B
1–415(415 aa)
Chain B
508–707(200 aa)
Chain F
1–415(415 aa)
Chain F
508–707(200 aa)
|
Not recorded | ZN ZINC ION × 2 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 8;20 mM Tris-Cl pH 8.0, 50 mM NaCl, 0.1 mM TCEP supplemented with 0.02% (v/v) IGEPAL CA-630
cryo-EM vitrification conditions
Cryogen ETHANE;30 s wait time, blot for 2.5 s before plunging
|
Resolution 4.06 Å |
| 7S7C Human Nuclear Exosome Targeting (NEXT) complex bound to RNA (substrate 2) Deposited 2021-09-15 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–RNA Heteromer;Protein × 5 PDB declaration: heptameric |
Chain B
1–415(415 aa)
Chain B
508–707(200 aa)
Chain F
1–415(415 aa)
Chain F
508–707(200 aa)
|
Not recorded | ZN ZINC ION × 1 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 8
cryo-EM vitrification conditions
Cryogen ETHANE;30 s wait time, blot for 2.5 s before plunging
|
Resolution 3.62 Å |
| 7Z4Z Human NEXT dimer - focused reconstruction of the dimerization module Deposited 2022-03-06 | Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 4 PDB declaration: tetrameric |
Chain A
41–337(297 aa)
Chain C
41–337(297 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE-PROPANE
|
Resolution 4.00 Å |
| 7Z52 Human NEXT dimer - focused reconstruction of the single MTR4 Deposited 2022-03-07 | Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics | Assembly 1 Protein–RNA Heteromer;Protein × 2 PDB declaration: trimeric |
Chain A
1–707(707 aa)
|
Not recorded | ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5
cryo-EM vitrification conditions
Cryogen ETHANE-PROPANE
|
Resolution 3.40 Å |
7 other PDB entries and 13 assemblies. Open the comparison page and filter oligomeric states
View Construct and Data Evidence
| UniProt name | ZCHC8_HUMAN |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A; PDBConstruct 5–301; UniProt 41–337 Author chain C; PDBConstruct 5–301; UniProt 41–337 |