5wwo

Crystal structure of Enp1

Method: X-RAY DIFFRACTION D_max: 84.2 Å Quality: EXCELLENT

▼

1. Protein Identity and Related Structures Protein Identity & Related Structures

Essential nuclear protein 1

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

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 × 2 PDB declaration: dimeric（2） Consistent with protein copy count	Chain A； UniProt 121–483	Fragment：UNP residues 121-483	Protein LTV1 × 1 （P34078）	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；293 K；7.2% PEG3350, 12% (v/v) Tacsimate pH 6.0, 8% (v/v) Tacsimate pH 8.0	Resolution 2.40 Å R-free 0.230
2	Protein monomer Monomer Protein × 1 PDB declaration: monomeric（1） Consistent with protein copy count	Chain B； UniProt 121–483	Fragment：UNP residues 121-483	No other associated polymer	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；293 K；7.2% PEG3350, 12% (v/v) Tacsimate pH 6.0, 8% (v/v) Tacsimate pH 8.0	Resolution 2.40 Å R-free 0.230

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 5WWO	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
5WLC The complete structure of the small subunit processome Deposited 2017-07-26	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 67 PDB declaration: 70-meric	Chain SZ 1–483（483 aa）	Not recorded	ZN ZINC ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.7 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.80 Å
5WYJ Cryo-EM structure of the 90S small subunit pre-ribosome (Dhr1-depleted, Enp1-TAP, state 1) Deposited 2017-01-13	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 61 PDB declaration: 64-meric	Chain E3 1–483（483 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 8.70 Å
6EML Cryo-EM structure of a late pre-40S ribosomal subunit from Saccharomyces cerevisiae Deposited 2017-10-02	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 31 PDB declaration: 31-meric	Chain e 1–483（483 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.60 Å
6FAI Structure of a eukaryotic cytoplasmic pre-40S ribosomal subunit Deposited 2017-12-15	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 35 PDB declaration: 36-meric	Chain i 1–483（483 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 46	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 3.40 Å
6KE6 3.4 angstrom cryo-EM structure of yeast 90S small subunit preribosome Deposited 2019-07-03	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 68 PDB declaration: 71-meric	Chain RS 1–483（483 aa）	Not recorded	ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE；wait 30s and blot 2s before plunging	Resolution 3.40 Å
6LQP Cryo-EM structure of 90S small subunit preribosomes in transition states (State A) Deposited 2020-01-14	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 70 PDB declaration: 73-meric	Chain RS 1–483（483 aa）	Not recorded	ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.20 Å
6LQQ Cryo-EM structure of 90S small subunit preribosomes in transition states (State B) Deposited 2020-01-14	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 67 PDB declaration: 70-meric	Chain RS 1–483（483 aa）	Not recorded	ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.10 Å
6LQR Cryo-EM structure of 90S small subunit preribosomes in transition states (State C) Deposited 2020-01-14	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 65 PDB declaration: 68-meric	Chain RS 1–483（483 aa）	Not recorded	ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 8.60 Å
6LQS Cryo-EM structure of 90S small subunit preribosomes in transition states (State D) Deposited 2020-01-14	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 76 PDB declaration: 79-meric	Chain RS 1–480（480 aa）	Not recorded	ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.80 Å
6LQU Cryo-EM structure of 90S small subunit preribosomes in transition states (State A1) Deposited 2020-01-14	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 69 PDB declaration: 72-meric	Chain RS 1–483（483 aa）	Not recorded	ZN ZINC ION × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.70 Å
6LQV Cryo-EM structure of 90S small subunit preribosomes in transition states (State C1) Deposited 2020-01-14	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 55 PDB declaration: 58-meric	Chain RS 1–483（483 aa）	Not recorded	ZN ZINC ION × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.80 Å
6RBD State 1 of yeast Tsr1-TAP Rps20-Deltaloop pre-40S particles Deposited 2019-04-10	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 34 PDB declaration: 35-meric	Chain i 1–483（483 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE；blot 1.7-1.9 seconds before plunging	Resolution 3.47 Å
6Y7C Early cytoplasmic yeast pre-40S particle (purified with Tsr1 as bait) Deposited 2020-02-28	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 33 PDB declaration: 34-meric	Chain i 1–483（483 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.80 Å
6ZQA Cryo-EM structure of the 90S pre-ribosome from Saccharomyces cerevisiae, state A (Poly-Ala) Deposited 2020-07-09	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 57 PDB declaration: 60-meric	Chain JH 1–483（483 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.40 Å
6ZQB Cryo-EM structure of the 90S pre-ribosome from Saccharomyces cerevisiae, state B2 Deposited 2020-07-09	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 68 PDB declaration: 71-meric	Chain JH 1–483（483 aa）	Not recorded	ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.90 Å
6ZQC Cryo-EM structure of the 90S pre-ribosome from Saccharomyces cerevisiae, state Pre-A1 Deposited 2020-07-09	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 68 PDB declaration: 71-meric	Chain JH 1–483（483 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.80 Å
6ZQD Cryo-EM structure of the 90S pre-ribosome from Saccharomyces cerevisiae, state Post-A1 Deposited 2020-07-09	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 63 PDB declaration: 66-meric	Chain JH 1–483（483 aa）	Not recorded	ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.80 Å
6ZQE Cryo-EM structure of the 90S pre-ribosome from Saccharomyces cerevisiae, state Dis-A (Poly-Ala) Deposited 2020-07-09	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 59 PDB declaration: 62-meric	Chain JH 1–483（483 aa）	Not recorded	ZN ZINC ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 7.10 Å
6ZQF Cryo-EM structure of the 90S pre-ribosome from Saccharomyces cerevisiae, state Dis-B (Poly-Ala) Deposited 2020-07-09	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 39 PDB declaration: 42-meric	Chain JH 1–483（483 aa）	Not recorded	ZN ZINC ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.90 Å
6ZQG Cryo-EM structure of the 90S pre-ribosome from Saccharomyces cerevisiae, state Dis-C Deposited 2020-07-09	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 34 PDB declaration: 37-meric	Chain JH 1–483（483 aa）	Not recorded	ZN ZINC ION × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 39	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.50 Å
7AJT Cryo-EM structure of the 90S-exosome super-complex (state Pre-A1-exosome) Deposited 2020-09-29	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 79 PDB declaration: 83-meric	Chain JH 1–483（483 aa）	Not recorded	ZN ZINC ION × 3 MG MAGNESIUM ION × 3 GTP GUANOSINE-5'-TRIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.60 Å
7AJU Cryo-EM structure of the 90S-exosome super-complex (state Post-A1-exosome) Deposited 2020-09-29	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 74 PDB declaration: 78-meric	Chain JH 1–483（483 aa）	Not recorded	ZN ZINC ION × 3 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.80 Å
7D4I Cryo-EM structure of 90S small ribosomal precursors complex with the DEAH-box RNA helicase Dhr1 (State F) Deposited 2020-09-24	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 79 PDB declaration: 82-meric	Chain RS 1–480（480 aa）	Not recorded	ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.00 Å
7D5S Cryo-EM structure of 90S preribosome with inactive Utp24 (state A2) Deposited 2020-09-28	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 55 PDB declaration: 58-meric	Chain RS 1–483（483 aa）	Not recorded	ZN ZINC ION × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.60 Å
7D63 Cryo-EM structure of 90S preribosome with inactive Utp24 (state C) Deposited 2020-09-29	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 68 PDB declaration: 71-meric	Chain RS 1–480（480 aa）	Not recorded	ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 12.30 Å
7SUK Structure of Bfr2-Lcp5 Complex Observed in the Small Subunit Processome Isolated from R2TP-depleted Yeast Cells Deposited 2021-11-17	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 67 PDB declaration: 70-meric	Chain SZ 205–465（261 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.7 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.99 Å
8C00 Enp1TAP-S21_A population of yeast small ribosomal subunit precursors depleted of rpS21/eS21 Deposited 2022-12-15	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 25 PDB declaration: 26-meric	Chain e 1–483（483 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.90 Å
8C01 Enp1TAP_A population of yeast small ribosomal subunit precursors Deposited 2022-12-15	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 30 PDB declaration: 31-meric	Chain e 1–483（483 aa）	Not recorded	ZN ZINC ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.70 Å
9G33 Stalled 90S - Utp23-Krr1-deltaC3 Deposited 2024-07-11	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 62 PDB declaration: 65-meric	Chain JH 1–483（483 aa）	Not recorded	GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.05 Å
9N6V SSU processome maturation and disassembly, State A Deposited 2025-02-05	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 69 PDB declaration: 72-meric	Chain SZ 1–483（483 aa）	Not recorded	MG MAGNESIUM ION × 25 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.16 Å
9N6W SSU processome maturation and disassembly, State A* Deposited 2025-02-05	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 69 PDB declaration: 72-meric	Chain SZ 1–483（483 aa）	Not recorded	MG MAGNESIUM ION × 25 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.05 Å
9N6X SSU processome maturation and disassembly, State B Deposited 2025-02-05	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 69 PDB declaration: 72-meric	Chain SZ 1–483（483 aa）	Not recorded	MG MAGNESIUM ION × 34 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.71 Å
9N6Y SSU processome maturation and disassembly, State C Deposited 2025-02-05	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 70 PDB declaration: 73-meric	Chain SZ 1–483（483 aa）	Not recorded	MG MAGNESIUM ION × 34 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.65 Å
9N6Z SSU processome maturation and disassembly, State D Deposited 2025-02-05	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 69 PDB declaration: 72-meric	Chain SZ 1–483（483 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.74 Å
9N70 SSU processome maturation and disassembly, State E Deposited 2025-02-05	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 69 PDB declaration: 72-meric	Chain SZ 1–483（483 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.17 Å
9N72 SSU processome maturation and disassembly, State F Deposited 2025-02-05	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 70 PDB declaration: 73-meric	Chain SZ 1–483（483 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.94 Å
9N73 SSU processome maturation and disassembly, State G Deposited 2025-02-05	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 71 PDB declaration: 74-meric	Chain SZ 1–483（483 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.96 Å
9N74 SSU processome maturation and disassembly, State H Deposited 2025-02-05	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 68 PDB declaration: 71-meric	Chain SZ 1–483（483 aa）	Not recorded	MG MAGNESIUM ION × 39 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 3 ADP ADENOSINE-5'-DIPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.65 Å
9N75 SSU processome maturation and disassembly, State I Deposited 2025-02-05	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 65 PDB declaration: 68-meric	Chain SZ 1–483（483 aa）	Not recorded	MG MAGNESIUM ION × 59 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 3 ADP ADENOSINE-5'-DIPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.01 Å
9N76 SSU processome maturation and disassembly, State J Deposited 2025-02-05	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 64 PDB declaration: 67-meric	Chain SZ 1–483（483 aa）	Not recorded	MG MAGNESIUM ION × 38 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.20 Å
9N77 SSU processome maturation and disassembly, State K Deposited 2025-02-05	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 61 PDB declaration: 64-meric	Chain SZ 1–483（483 aa）	Not recorded	MG MAGNESIUM ION × 48 ZN ZINC ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.94 Å
9N78 SSU processome maturation and disassembly, State L Deposited 2025-02-05	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 56 PDB declaration: 59-meric	Chain SZ 1–483（483 aa）	Not recorded	MG MAGNESIUM ION × 47 ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.17 Å
9N79 SSU processome maturation and disassembly, State M Deposited 2025-02-05	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 42 PDB declaration: 45-meric	Chain SZ 1–483（483 aa）	Not recorded	MG MAGNESIUM ION × 47 ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.93 Å
9N7A SSU processome maturation and disassembly, State N Deposited 2025-02-05	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 36 PDB declaration: 39-meric	Chain SZ 1–483（483 aa）	Not recorded	MG MAGNESIUM ION × 47 ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.84 Å
9N7B SSU processome maturation and disassembly, State O Deposited 2025-02-05	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 34 PDB declaration: 37-meric	Chain SZ 1–483（483 aa）	Not recorded	MG MAGNESIUM ION × 47 ZN ZINC ION × 2 GTP GUANOSINE-5'-TRIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.25 Å

45 other PDB entries and 45 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	ENP1_YEAST
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–363； UniProt 121–483 Author chain B； PDBConstruct 1–363； UniProt 121–483

Protein LTV1

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

UniProt P34078

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 × 2 PDB declaration: dimeric（2） Consistent with protein copy count	Chain C； UniProt 333–463	Fragment：UNP residues 333-463	Essential nuclear protein 1 × 1 （P38333）	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, HANGING DROP；293 K；7.2% PEG3350, 12% (v/v) Tacsimate pH 6.0, 8% (v/v) Tacsimate pH 8.0	Resolution 2.40 Å R-free 0.230

Other States of the Same Protein in the Database

Other PDB	Difference from Current Entry 5WWO	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
6FAI Structure of a eukaryotic cytoplasmic pre-40S ribosomal subunit Deposited 2017-12-15	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 35 PDB declaration: 36-meric	Chain j 1–463（463 aa）	Not recorded	ZN ZINC ION × 2 MG MAGNESIUM ION × 46	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 3.40 Å
6Y7C Early cytoplasmic yeast pre-40S particle (purified with Tsr1 as bait) Deposited 2020-02-28	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 33 PDB declaration: 34-meric	Chain j 1–463（463 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.80 Å

2 other PDB entries and 2 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	LTV1_YEAST
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain C； PDBConstruct 1–131； UniProt 333–463

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

Download Download SAXS (.dat) P(r) (.pr.out) CIF

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	5wwo
Deposition date deposition_date	2017-01-03
Structure title title	Crystal structure of Enp1
Keywords keywords	component of 90S preribosome, RNA BINDING PROTEIN; RNA BINDING PROTEIN
Experimental Method method	X-RAY DIFFRACTION

▼

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier	28.06 Å
Radius of gyration Rg (electron density) rg_electron	26.75 Å
Forward intensity I(0) i0	62393000.00
Molecular weight molecular_weight	64982.0 kDa
Excluded volume excluded_volume	82705 Å³
Envelope volume envelope_volume	100370 Å³
Hydration-shell volume shell_volume	31465 Å³
Envelope diameter envelope_diameter	90.1 Å
Shell Rg shell_rg	33.93 Å
Envelope Rg envelope_rg	26.94 Å
Shape Rg shape_rg	26.72 Å
Total Rg total_rg	27.64 Å
Total atoms total_atoms	4603
Residues n_residues	561
Spherical-harmonic order n_harmonics	20
q range q_range	— – 0.5000 Å⁻¹
Data points n_points	101
Shell type shell_type	directional
Solvent electron density solvent_density	0.3340 e/Å³
Shell contrast contrast_shell	0.0300 e/Å³
CRYSOL version crysol_version	4.1.3

▼

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax	84.2 Å
Rg (real space) rg_real	27.92 Å
Rg uncertainty (real space) rg_real_error	0.42 Å
I(0) (real space) i0_real	6.2390e+07
I(0) uncertainty (real space) i0_real_error	8.2420e+05
Rg (reciprocal space) rg_reciprocal	27.97 Å
I(0) (reciprocal space) i0_reciprocal	62400000.0000
Solution quality estimate total_estimate	0.9142
Solution quality rating solution_quality	EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks	2
Primary peak position r_peak_primary	36.9 Å
Skewness Skewness skewness	0.133
Kurtosis Kurtosis kurtosis	-0.608
Angular range angular_range	— – 0.2850 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	11960000.0000
Real-space data points n_real_points	58
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.981; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.938

▶

5. Crystallography and Experiment 5. Crystallography & Experiment

▶

6. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Description description	Essential nuclear protein 1
Molecular weight formula_weight	41524.9 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	4680

GDYKEEEEIVEIDEEDAAMFEQYFKKSDDFNSLSGSYNLADKIMASIREKESQVEDMQDDEPLANEQNTSRGNISSGLKSGEGVALPEKVIKAYTTVGSILKTWTHGKLPKLFKVIPSLRNWQDVIYVTNPEEWSPHVVYEATKLFVSNLTAKESQKFINLILLERFRDNIETSEDHSLNYHIYRAVKKSLYKPSAFFKGFLFPLVETGCNVREATIAGSVLAKVSVPALHSSAALSYLLRLPFSPPTTVFIKILLDKKYALPYQTVDDCVYYFMRFRILDDGSNGEDATRVLPVIWHKAFLTFAQRYKNDITQDQRDFLLETVRQRGHKDIGPEIRRELLAGASREFVDPQEANDDLMIDVN

来源 Source

来源生物 organism	Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
通用名 common_name	;Baker's yeast ;
NCBI Class编号 ncbi_taxonomy_id	559292
宿主生物 host_organism	Escherichia coli

Entity 2 Entity 2 polymer

Description description	Protein LTV1
Molecular weight formula_weight	15205.6 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C

GAMSDVSGFSMSSSAIARTETMTVLDDQYDQIINGYENYEEELEEDEEQNYQPFDMSAERSDFESMLDDFLDNYELESGGRKLAKKDKEIERLKEAADEVSKGKLSQRRNRERQEKKKLEKVTNTLSSLKF

来源 Source

来源生物 organism	Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
通用名 common_name	;Baker's yeast ;
NCBI Class编号 ncbi_taxonomy_id	559292
宿主生物 host_organism	Escherichia coli

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	77

▶

8. Citations (1)

▶

Unit-cell length a length_a	69.220 Å
Unit-cell length b length_b	98.607 Å
Unit-cell length c length_c	109.728 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	2.400 Å
Low-resolution limit resolution_low	19.751 Å
R factor r_factor	0.1704
R_work r_work	0.1673
R_free r_free	0.2297

fit	/app/data/saxs_computation/ww/5wwo/5wwo.fit
pddf	/app/data/pr_computation/ww/5wwo/5wwo.pr.out
profile	/app/data/saxs_computation/ww/5wwo/5wwo.dat

Crystal structure of Enp1

1. Protein Identity and Related Structures Protein Identity & Related Structures

Essential nuclear protein 1

State in the Current Structure

Other States of the Same Protein in the Database

Protein LTV1

State in the Current Structure

Other States of the Same Protein in the Database

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

2. Structure Basics 2. Structure Basics

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

5. Crystallography and Experiment 5. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

6. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Polymer Polymer

来源 Source

Entity 2 Entity 2 polymer

Polymer Polymer

来源 Source

Entity 3 Entity 3 water

8. Citations (1)

9. Files and Curves (10)

Files (7)

Curves (3)