8u8c

Crystal structure of the TREX-2 complex in complex with the N-terminal motif of Sub2

Method: X-RAY DIFFRACTION D_max: 109.6 Å Quality: EXCELLENT

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

Nuclear mRNA export protein SAC3

Saccharomyces cerevisiae 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 × 4 PDB declaration: tetrameric（4） Consistent with protein copy count	Chain A； UniProt 60–551	Not recorded	Nuclear mRNA export protein THP1 × 1 （Q08231） 26S proteasome complex subunit SEM1 × 1 （O94742） ATP-dependent RNA helicase SUB2 × 1 （Q07478）	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；293 K；0.1 M MES, pH 6.5, and 20% PEG3350	Resolution 2.40 Å R-free 0.231

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 8U8C	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
3FWB Sac3:Sus1:Cdc31 complex Deposited 2009-01-17	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain B 752–805（54 aa） Fragment：residues 752-805	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；291 K；0.1M MES pH6.5, 16% PEG4K, 20% glycerol - see publication for complete details, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 2.50 Å R-free 0.235
3FWC Sac3:Sus1:Cdc31 complex Deposited 2009-01-17	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain B 723–805（83 aa） Fragment：residues 723-805	Not recorded	SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；291 K；unbuffered 16% PEG4K, 20% glycerol, 0.2 M Am sulph. See publication for complete details, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 2.70 Å R-free 0.265
3FWC Sac3:Sus1:Cdc31 complex Deposited 2009-01-17	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain F 723–805（83 aa） Fragment：residues 723-805	Not recorded	SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；291 K；unbuffered 16% PEG4K, 20% glycerol, 0.2 M Am sulph. See publication for complete details, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 2.70 Å R-free 0.265
3FWC Sac3:Sus1:Cdc31 complex Deposited 2009-01-17	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 3 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain J 723–805（83 aa） Fragment：residues 723-805	Not recorded	SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；291 K；unbuffered 16% PEG4K, 20% glycerol, 0.2 M Am sulph. See publication for complete details, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 2.70 Å R-free 0.265
3FWC Sac3:Sus1:Cdc31 complex Deposited 2009-01-17	Different construct Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 4 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain N 723–805（83 aa） Fragment：residues 723-805	Not recorded	SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；291 K；unbuffered 16% PEG4K, 20% glycerol, 0.2 M Am sulph. See publication for complete details, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 2.70 Å R-free 0.265
3T5V Sac3:Thp1:Sem1 complex Deposited 2011-07-28	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain A 250–563（314 aa） Fragment：M region, UNP 250-563	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.2；292 K；see publication, pH 5.2, VAPOR DIFFUSION, HANGING DROP, temperature 292K	Resolution 2.90 Å R-free 0.231
3T5V Sac3:Thp1:Sem1 complex Deposited 2011-07-28	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain D 250–563（314 aa） Fragment：M region, UNP 250-563	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.2；292 K；see publication, pH 5.2, VAPOR DIFFUSION, HANGING DROP, temperature 292K	Resolution 2.90 Å R-free 0.231
4C31 Nup1:Sac3:Sus1 complex Deposited 2013-08-21	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain A 757–787（31 aa） Fragment：RESIDUES 757-787 Chain D 757–787（31 aa） Fragment：RESIDUES 757-787	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions pH 6；DESCRIBED IN DETAIL IN PUBLICATION, pH 6.0	Resolution 3.00 Å R-free 0.243
4MBE Sac3:Sus1:Cdc31:Nup1 complex Deposited 2013-08-19	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain B 753–805（53 aa） Fragment：CDC31 interacting region, residues 753-805	Not recorded	CA CALCIUM ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；291 K；pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 2.61 Å R-free 0.236
4MBE Sac3:Sus1:Cdc31:Nup1 complex Deposited 2013-08-19	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain E 753–805（53 aa） Fragment：CDC31 interacting region, residues 753-805	Not recorded	CA CALCIUM ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；291 K；pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K	Resolution 2.61 Å R-free 0.236
4TRQ Crystal structure of Sac3/Thp1/Sem1 Deposited 2014-06-17	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: Hexameric	Chain A 253–551（299 aa） Chain D 253–551（299 aa）	Not recorded	SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；292 K；0.5M Li2SO4, 10% PEG-8.000	Resolution 3.10 Å R-free 0.238
5G5P Structure of the Saccharomyces cerevisiae TREX-2 complex Deposited 2016-05-26	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 1–805（805 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer 20 MM HEPES, 300 MM NACL, 5 MM DTT；pH 8；20 mM HEPES, 300 mM NaCl, 5 mM DTT cryo-EM vitrification conditions 85 K；Cryogen ETHANE；LIQUID ETHANE	Resolution 5.30 Å
5L3T Structure of the Saccharomyces cerevisiae TREX-2 complex Deposited 2016-05-24	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 1–1301（1301 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；Precipitant: 20% PEG 3350, 0.2 M Mg formate; protein 16.5 mg/ml in 0.3 M NaCl, 50 mM HEPES, pH 8, 5 mM DTT.	Resolution 4.93 Å R-free 0.370

8 other PDB entries and 13 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	SAC3_YEAST
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 6–497； UniProt 60–551

Nuclear mRNA export protein THP1

Saccharomyces cerevisiae S288C

UniProt Q08231

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 B； UniProt 1–455	Not recorded	Nuclear mRNA export protein SAC3 × 1 （P46674） 26S proteasome complex subunit SEM1 × 1 （O94742） ATP-dependent RNA helicase SUB2 × 1 （Q07478）	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；293 K；0.1 M MES, pH 6.5, and 20% PEG3350	Resolution 2.40 Å R-free 0.231

Other States of the Same Protein in the Database

Other PDB	Difference from Current Entry 8U8C	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
3T5V Sac3:Thp1:Sem1 complex Deposited 2011-07-28	Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain B 1–455（455 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.2；292 K；see publication, pH 5.2, VAPOR DIFFUSION, HANGING DROP, temperature 292K	Resolution 2.90 Å R-free 0.231
3T5V Sac3:Thp1:Sem1 complex Deposited 2011-07-28	Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain E 1–455（455 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.2；292 K；see publication, pH 5.2, VAPOR DIFFUSION, HANGING DROP, temperature 292K	Resolution 2.90 Å R-free 0.231
4TRQ Crystal structure of Sac3/Thp1/Sem1 Deposited 2014-06-17	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: Hexameric	Chain B 170–455（286 aa） Chain E 170–455（286 aa）	Not recorded	SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；292 K；0.5M Li2SO4, 10% PEG-8.000	Resolution 3.10 Å R-free 0.238
5G5P Structure of the Saccharomyces cerevisiae TREX-2 complex Deposited 2016-05-26	Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 1–455（455 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer 20 MM HEPES, 300 MM NACL, 5 MM DTT；pH 8；20 mM HEPES, 300 mM NaCl, 5 mM DTT cryo-EM vitrification conditions 85 K；Cryogen ETHANE；LIQUID ETHANE	Resolution 5.30 Å
5L3T Structure of the Saccharomyces cerevisiae TREX-2 complex Deposited 2016-05-24	Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 1–455（455 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；Precipitant: 20% PEG 3350, 0.2 M Mg formate; protein 16.5 mg/ml in 0.3 M NaCl, 50 mM HEPES, pH 8, 5 mM DTT.	Resolution 4.93 Å R-free 0.370
5UBP TREX2 M-region Deposited 2016-12-21	Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain B 1–455（455 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；291 K；20 % PEG3350, 0.17 M MgFormate	Resolution 2.30 Å R-free 0.217

5 other PDB entries and 6 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	THP1_YEAST
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–455； UniProt 1–455

26S proteasome complex subunit SEM1

Saccharomyces cerevisiae S288C

UniProt O94742

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 C； UniProt 1–89	Not recorded	Nuclear mRNA export protein SAC3 × 1 （P46674） Nuclear mRNA export protein THP1 × 1 （Q08231） ATP-dependent RNA helicase SUB2 × 1 （Q07478）	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；293 K；0.1 M MES, pH 6.5, and 20% PEG3350	Resolution 2.40 Å R-free 0.231

Other States of the Same Protein in the Database

Other PDB	Difference from Current Entry 8U8C	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
3JCK Structure of the yeast 26S proteasome lid sub-complex Deposited 2015-12-20	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 9 PDB declaration: nonameric	Chain I 1–89（89 aa）	Not recorded	ZN ZINC ION × 1	ELECTRON MICROSCOPY cryo-EM buffer 50 mM HEPES, 100 mM NaCl, 100 mM KCl, 1 mM TCEP；pH 7.5；50 mM HEPES, 100 mM NaCl, 100 mM KCl, 1 mM TCEP cryo-EM vitrification conditions 4 uL sample was applied to the grid, blotted for 2 seconds, and plunged into liquid ethane.；85 K；Cryogen ETHANE；4 uL sample was applied to the grid, blotted for 2 seconds at 4 degrees C, and plunged into liquid ethane using a manual plunger.	Resolution 3.50 Å
3JCO Structure of yeast 26S proteasome in M1 state derived from Titan dataset Deposited 2016-01-06	Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 47 PDB declaration: 47-meric	Chain Y 1–89（89 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer 50mM Tris pH 7.5, 100mM NaCl, 5mM MgCl2, 2mM ATP；pH 7.5；50mM Tris pH 7.5, 100mM NaCl, 5mM MgCl2, 2mM ATP cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.80 Å
3JCP Structure of yeast 26S proteasome in M2 state derived from Titan dataset Deposited 2016-01-06	Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 47 PDB declaration: 47-meric	Chain Y 1–89（89 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer 50mM Tris pH 7.5, 100mM NaCl, 5mM MgCl2, 2mM ATP；pH 7.5；50mM Tris pH 7.5, 100mM NaCl, 5mM MgCl2, 2mM ATP cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.60 Å
3T5V Sac3:Thp1:Sem1 complex Deposited 2011-07-28	Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain C 1–89（89 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.2；292 K；see publication, pH 5.2, VAPOR DIFFUSION, HANGING DROP, temperature 292K	Resolution 2.90 Å R-free 0.231
3T5V Sac3:Thp1:Sem1 complex Deposited 2011-07-28	Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain F 1–89（89 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 5.2；292 K；see publication, pH 5.2, VAPOR DIFFUSION, HANGING DROP, temperature 292K	Resolution 2.90 Å R-free 0.231
4CR2 Deep classification of a large cryo-EM dataset defines the conformational landscape of the 26S proteasome Deposited 2014-02-25	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 33 PDB declaration: 33-meric	Chain Y 1–89（89 aa） Fragment：SEM1	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.1 cryo-EM vitrification conditions Cryogen ETHANE；VITRIFICATION 1 -- CRYOGEN- ETHANE, INSTRUMENT- HOMEMADE PLUNGER,	Resolution 7.70 Å
4CR3 Deep classification of a large cryo-EM dataset defines the conformational landscape of the 26S proteasome Deposited 2014-02-25	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 33 PDB declaration: 33-meric	Chain Y 1–89（89 aa） Fragment：SEM1	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.1 cryo-EM vitrification conditions Cryogen ETHANE；VITRIFICATION 1 -- CRYOGEN- ETHANE, INSTRUMENT- HOMEMADE PLUNGER,	Resolution 9.30 Å
4CR4 Deep classification of a large cryo-EM dataset defines the conformational landscape of the 26S proteasome Deposited 2014-02-25	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 33 PDB declaration: 33-meric	Chain Y 1–89（89 aa） Fragment：SEM1	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.1 cryo-EM vitrification conditions Cryogen ETHANE；VITRIFICATION 1 -- CRYOGEN- ETHANE, INSTRUMENT- HOMEMADE PLUNGER,	Resolution 8.80 Å
4TRQ Crystal structure of Sac3/Thp1/Sem1 Deposited 2014-06-17	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: Hexameric	Chain C 30–89（60 aa） Chain F 30–89（60 aa）	Not recorded	SO4 SULFATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；292 K；0.5M Li2SO4, 10% PEG-8.000	Resolution 3.10 Å R-free 0.238
5A5B Structure of the 26S proteasome-Ubp6 complex Deposited 2015-06-17	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 35 PDB declaration: 35-meric	Chain Y 1–89（89 aa） Fragment：SEM1	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM vitrification conditions Cryogen ETHANE；VITRIFICATION 1 -- CRYOGEN- ETHANE, INSTRUMENT- HOMEMADE PLUNGER,	Resolution 9.50 Å
5G5P Structure of the Saccharomyces cerevisiae TREX-2 complex Deposited 2016-05-26	Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain C 1–89（89 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer 20 MM HEPES, 300 MM NACL, 5 MM DTT；pH 8；20 mM HEPES, 300 mM NaCl, 5 mM DTT cryo-EM vitrification conditions 85 K；Cryogen ETHANE；LIQUID ETHANE	Resolution 5.30 Å
5L3T Structure of the Saccharomyces cerevisiae TREX-2 complex Deposited 2016-05-24	Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain C 1–89（89 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；Precipitant: 20% PEG 3350, 0.2 M Mg formate; protein 16.5 mg/ml in 0.3 M NaCl, 50 mM HEPES, pH 8, 5 mM DTT.	Resolution 4.93 Å R-free 0.370
5MPB 26S proteasome in presence of AMP-PNP (s3) Deposited 2016-12-16	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 47 PDB declaration: 47-meric	Chain Y 1–89（89 aa）	Not recorded	ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 5 MG MAGNESIUM ION × 6 ADP ADENOSINE-5'-DIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 7.80 Å
5MPC 26S proteasome in presence of BeFx (s4) Deposited 2016-12-16	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 48 PDB declaration: 48-meric	Chain Y 1–89（89 aa）	Not recorded	ATP ADENOSINE-5'-TRIPHOSPHATE × 4 MG MAGNESIUM ION × 6 ADP ADENOSINE-5'-DIPHOSPHATE × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 7.70 Å
5MPD 26S proteasome in presence of ATP (s1) Deposited 2016-12-16	Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric	Chain Y 1–89（89 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 4.10 Å
5MPE 26S proteasome in presence of ATP (s2) Deposited 2016-12-16	Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric	Chain Y 1–89（89 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 4.50 Å
5MPE 26S proteasome in presence of ATP (s2) Deposited 2016-12-16	Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 12 PDB declaration: dodecameric	Chain Y 1–89（89 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 4.50 Å
5UBP TREX2 M-region Deposited 2016-12-21	Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain C 1–89（89 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；291 K；20 % PEG3350, 0.17 M MgFormate	Resolution 2.30 Å R-free 0.217
5WVI The resting state of yeast proteasome Deposited 2016-12-25	Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 47 PDB declaration: 47-meric	Chain Y 1–89（89 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 6.30 Å
5WVK Yeast proteasome-ADP-AlFx Deposited 2016-12-25	Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 47 PDB declaration: 47-meric	Chain Y 1–89（89 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.20 Å
6FVT 26S proteasome, s1 state Deposited 2018-03-05	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 47 PDB declaration: 47-meric	Chain Y 1–89（89 aa）	Not recorded	ATP ADENOSINE-5'-TRIPHOSPHATE × 5 MG MAGNESIUM ION × 6 ADP ADENOSINE-5'-DIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 4.10 Å
6FVU 26S proteasome, s2 state Deposited 2018-03-05	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 47 PDB declaration: 47-meric	Chain Y 1–89（89 aa）	Not recorded	ATP ADENOSINE-5'-TRIPHOSPHATE × 5 MG MAGNESIUM ION × 6 ADP ADENOSINE-5'-DIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 4.50 Å
6FVV 26S proteasome, s3 state Deposited 2018-03-05	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 47 PDB declaration: 47-meric	Chain Y 1–89（89 aa）	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 2 MG MAGNESIUM ION × 6 ATP ADENOSINE-5'-TRIPHOSPHATE × 4	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 5.40 Å
6FVW 26S proteasome, s4 state Deposited 2018-03-05	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 47 PDB declaration: 47-meric	Chain Y 1–89（89 aa）	Not recorded	ATP ADENOSINE-5'-TRIPHOSPHATE × 4 MG MAGNESIUM ION × 6 ADP ADENOSINE-5'-DIPHOSPHATE × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 4.50 Å
6FVX 26S proteasome, s5 state Deposited 2018-03-05	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 47 PDB declaration: 47-meric	Chain Y 1–89（89 aa）	Not recorded	ATP ADENOSINE-5'-TRIPHOSPHATE × 5 MG MAGNESIUM ION × 6 ADP ADENOSINE-5'-DIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 4.90 Å
6FVY 26S proteasome, s6 state Deposited 2018-03-05	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 47 PDB declaration: 47-meric	Chain Y 1–89（89 aa）	Not recorded	ATP ADENOSINE-5'-TRIPHOSPHATE × 4 MG MAGNESIUM ION × 6 ADP ADENOSINE-5'-DIPHOSPHATE × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 6.10 Å
6J2C Yeast proteasome in translocation competent state (C3-a) Deposited 2019-01-01	Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 47 PDB declaration: 47-meric	Chain Y 1–89（89 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 7.00 Å
6J2N yeast proteasome in substrate-processing state (C3-b) Deposited 2019-01-02	Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 47 PDB declaration: 47-meric	Chain Y 1–89（89 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 7.50 Å
6J2Q Yeast proteasome in Ub-accepted state (C1-b) Deposited 2019-01-02	Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 47 PDB declaration: 47-meric	Chain Y 1–89（89 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.80 Å
6J2X Yeast proteasome in resting state (C1-a) Deposited 2019-01-03	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 47 PDB declaration: 47-meric	Chain Y 1–89（89 aa） Fragment：SEM1	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.80 Å
6J30 yeast proteasome in Ub-engaged state (C2) Deposited 2019-01-03	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 47 PDB declaration: 47-meric	Chain Y 1–89（89 aa） Fragment：SEM1	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.50 Å
7EWF Selenomethionine-substituted structure of S. cerevisiae Csn12 in complex with Thp3 and Sem1 Deposited 2021-05-25	Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain C 1–89（89 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；289 K；12% PEG3350, 100 mM Sodium malonate buffer (pH 5.0) and 3% Methanol	Resolution 2.85 Å R-free 0.257
7EWM Native crystal structure of S. cerevisiae Csn12 in complex with Thp3 and Sem1 Deposited 2021-05-25	Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric	Chain C 1–89（89 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；289 K；12% PEG3350, 100 mM Sodium malonate buffer (pH 5.0) and 3% Methanol	Resolution 2.90 Å R-free 0.251
7QO3 Structure of the 26S proteasome-Ubp6 complex in the si state (Core Particle and Lid) Deposited 2021-12-23	Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 41 PDB declaration: 41-meric	Chain Y 1–89（89 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 6.10 Å
7QO5 26S proteasome Rpt1-RK -Ubp6-UbVS complex in the si state Deposited 2021-12-23	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 49 PDB declaration: 49-meric	Chain Y 1–89（89 aa）	Not recorded	ATP ADENOSINE-5'-TRIPHOSPHATE × 5 MG MAGNESIUM ION × 6 ADP ADENOSINE-5'-DIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 6.00 Å
7QO6 26S proteasome Rpt1-RK -Ubp6-UbVS complex in the s2 state Deposited 2021-12-23	Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 49 PDB declaration: 49-meric	Chain Y 1–89（89 aa）	Not recorded	ATP ADENOSINE-5'-TRIPHOSPHATE × 5 MG MAGNESIUM ION × 6 ADP ADENOSINE-5'-DIPHOSPHATE × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 6.30 Å
9IWR 26S proteasome trimer Deposited 2024-07-25	Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 47 PDB declaration: 47-meric	Chain Y 1–89（89 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 6.8；YPD buffer cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 9.10 Å

35 other PDB entries and 37 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	SEM1_YEAST
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain C； PDBConstruct 1–89； UniProt 1–89

ATP-dependent RNA helicase SUB2

Saccharomyces cerevisiae S288C

UniProt Q07478

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 D； UniProt 1–55	Not recorded	Nuclear mRNA export protein SAC3 × 1 （P46674） Nuclear mRNA export protein THP1 × 1 （Q08231） 26S proteasome complex subunit SEM1 × 1 （O94742）	X-RAY DIFFRACTION X-ray crystallization conditions：VAPOR DIFFUSION, SITTING DROP；293 K；0.1 M MES, pH 6.5, and 20% PEG3350	Resolution 2.40 Å R-free 0.231

Other States of the Same Protein in the Database

Other PDB	Difference from Current Entry 8U8C	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
5SUP Crystal structure of the Sub2-Yra1 complex in association with RNA Deposited 2016-08-03	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 2 PDB declaration: trimeric	Chain A 61–446（386 aa） Fragment：residues 61-446	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions EVAPORATION；pH 5.5；277 K；100 mM Bis-Tris (pH 5.5), 20% PEG3350, 0.2 M ammonium acetate	Resolution 2.60 Å R-free 0.268
5SUP Crystal structure of the Sub2-Yra1 complex in association with RNA Deposited 2016-08-03	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 2 Protein–RNA Heteromer；Protein × 2 PDB declaration: trimeric	Chain B 61–446（386 aa） Fragment：residues 61-446	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions EVAPORATION；pH 5.5；277 K；100 mM Bis-Tris (pH 5.5), 20% PEG3350, 0.2 M ammonium acetate	Resolution 2.60 Å R-free 0.268
5SUP Crystal structure of the Sub2-Yra1 complex in association with RNA Deposited 2016-08-03	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 3 Protein–RNA Heteromer；Protein × 2 PDB declaration: trimeric	Chain C 61–446（386 aa） Fragment：residues 61-446	Not recorded	ADP ADENOSINE-5'-DIPHOSPHATE × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions EVAPORATION；pH 5.5；277 K；100 mM Bis-Tris (pH 5.5), 20% PEG3350, 0.2 M ammonium acetate	Resolution 2.60 Å R-free 0.268
5SUQ Crystal structure of the THO-Sub2 complex Deposited 2016-08-03	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 1–446（446 aa） Chain C 1–446（446 aa）	Not recorded	KEG 12-TUNGSTOPHOSPHATE × 11	X-RAY DIFFRACTION X-ray crystallization conditions EVAPORATION；pH 8.4；289 K；100 mM Tris-HCl (pH 8.4), 17.5% PEG3350, 2% methanol, 0.3 M NDSB-195	Resolution 6.00 Å R-free 0.434
7APX yeast THO-Sub2 complex Deposited 2020-10-20	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain F 48–446（399 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 3.40 Å
7LUV Cryo-EM structure of the yeast THO-Sub2 complex Deposited 2021-02-23	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain M 1–446（446 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.70 Å
7V2Y cryo-EM structure of yeast THO complex with Sub2 Deposited 2021-08-10	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain F 1–446（446 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.40 Å

5 other PDB entries and 7 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	SUB2_YEAST
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain D； PDBConstruct 1–55； UniProt 1–55

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

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	8u8c
Deposition date deposition_date	2023-09-17
Structure title title	Crystal structure of the TREX-2 complex in complex with the N-terminal motif of Sub2
Keywords keywords	mRNA binding protein, RNA BINDING PROTEIN; RNA BINDING PROTEIN
Experimental Method method	X-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier	34.34 Å
Radius of gyration Rg (electron density) rg_electron	33.52 Å
Forward intensity I(0) i0	183904000.00
Molecular weight molecular_weight	110760.0 kDa
Excluded volume excluded_volume	139450 Å³
Envelope volume envelope_volume	174400 Å³
Hydration-shell volume shell_volume	43185 Å³
Envelope diameter envelope_diameter	108.1 Å
Shell Rg shell_rg	40.32 Å
Envelope Rg envelope_rg	33.34 Å
Shape Rg shape_rg	33.49 Å
Total Rg total_rg	34.12 Å
Total atoms total_atoms	7806
Residues n_residues	948
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

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

Maximum dimension Dmax dmax	109.6 Å
Rg (real space) rg_real	34.27 Å
Rg uncertainty (real space) rg_real_error	0.76 Å
I(0) (real space) i0_real	1.8390e+08
I(0) uncertainty (real space) i0_real_error	3.2510e+06
Rg (reciprocal space) rg_reciprocal	34.32 Å
I(0) (reciprocal space) i0_reciprocal	183900000.0000
Solution quality estimate total_estimate	0.9068
Solution quality rating solution_quality	EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks	2
Primary peak position r_peak_primary	40.5 Å
Skewness Skewness skewness	0.198
Kurtosis Kurtosis kurtosis	-0.630
Angular range angular_range	— – 0.2300 Å⁻¹
Current regularization parameter α current_alpha	0.0001
Highest regularization parameter α highest_alpha	50010000.0000
Real-space data points n_real_points	47
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.948; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.942

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (5)

Entity 1 Entity 1 polymer

Description description	Nuclear mRNA export protein SAC3
Molecular weight formula_weight	57800.0 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	7881

GAMGSKSQQPLQNLSHSPSYTENKPDKKKKYMINDAKTIQLVGPLISSPDNLGFQKRSHKARELPRFLINQEPQLEKRAFVQDPWDKANQEKMISLEESIDDLNELYETLKKMRNTERSIMEEKGLVDKADSAKDLYDAIVFQGTCLDMCPTFERSRRNVEYTVYSYEKNQPNDKKASRTKALKVFARPAAAAAPPLPSDVRPPHILVKTLDYIVDNLLTTLPESEGFLWDRMRSIRQDFTYQNYSGPEAVDCNERIVRIHLLILHIMVKSNVEFSLQQELEQLHKSLITLSEIYDDVRSSGGTCPNEAEFRAYALLSKIRDPQYDENIQRLPKHIFQDKLVQMALCFRRVISNSAYTERGFVKTENCLNFYARFFQLMQSPSLPLLMGFFLQMHLTDIRFYALRALSHTLNKKHKPIPFIYLENMLLFNNRQEIIEFCNYYSIEIINGDAADLKTLQHYSHKLSETQPLKKTYLTCLERRLQKTTYKGLINGGEDN

来源 Source

来源生物 organism	Saccharomyces cerevisiae S288C
NCBI Class编号 ncbi_taxonomy_id	559292
宿主生物 host_organism	Escherichia coli

Entity 2 Entity 2 polymer

Description description	Nuclear mRNA export protein THP1
Molecular weight formula_weight	52734.8 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

MDMANQLLDELAHGNFSHLTLNLSQNGREIAILQKQLTGFDDKQLETFVEQHPAMPNDTRFKIMCTSFLNYARDVDPWSAWSSSDLIFEFYQCLINCLINDNAPHIEMLIPVATRETEFIINLAGKLDSFHLQLHTRSHQFLSHISSILSRLFNSIKPPRGNASSTNIPGKQRILLYLVNKLNNIYFRIESPQLCSNIFKNFQPKSMLAHFNEYQLDQQIEYRYLLGRYYLLNSQVHNAFVQFNEAFQSLLNLPLTNQAITRNGTRILNYMIPTGLILGKMVKWGPLRPFLSQETIDNWSVLYKHVRYGNIQGVSLWLRQNERHLCARQLLIVLLEKLPMVTYRNLIKTVIKSWTTEWGQNKLPYSLIERVLQLSIGPTFEDPGAQEITIYNGIHSPKNVENVLVTLINLGLLRANCFPQLQLCVVKKTTMIQEIVPPVNERITKMFPAHSHVLW

来源 Source

来源生物 organism	Saccharomyces cerevisiae S288C
NCBI Class编号 ncbi_taxonomy_id	559292
宿主生物 host_organism	Escherichia coli

Entity 3 Entity 3 polymer

Description description	26S proteasome complex subunit SEM1
Molecular weight formula_weight	10397.1 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C

MSTDVAAAQAQSKIDLTKKKNEEINKKSLEEDDEFEDFPIDTWANGETIKSNAVTQTNIWEENWDDVEVDDDFTNELKAELDRYKRENQ

来源 Source

来源生物 organism	Saccharomyces cerevisiae S288C
NCBI Class编号 ncbi_taxonomy_id	559292
宿主生物 host_organism	Escherichia coli

Entity 4 Entity 4 polymer

Description description	ATP-dependent RNA helicase SUB2
Molecular weight formula_weight	5676.8 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	D

MSHEGEEDLLEYSDNEQEIQIDASKAAEAGETGAATSATEGDNNNNTAAGDKKGS

来源 Source

来源生物 organism	Saccharomyces cerevisiae S288C
NCBI Class编号 ncbi_taxonomy_id	559292
宿主生物 host_organism	Escherichia coli

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	75

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8. Citations (1)

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Unit-cell length a length_a	78.861 Å
Unit-cell length b length_b	87.001 Å
Unit-cell length c length_c	169.802 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	4

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

Resolution resolution	2.400 Å
Low-resolution limit resolution_low	29.360 Å
R factor r_factor	0.1930
R_work r_work	0.1912
R_free r_free	0.2305

fit	/app/data/saxs_computation/u8/8u8c/8u8c.fit
pddf	/app/data/pr_computation/u8/8u8c/8u8c.pr.out
profile	/app/data/saxs_computation/u8/8u8c/8u8c.dat

Crystal structure of the TREX-2 complex in complex with the N-terminal motif of Sub2

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

Nuclear mRNA export protein SAC3

State in the Current Structure

Other States of the Same Protein in the Database

Nuclear mRNA export protein THP1

State in the Current Structure

Other States of the Same Protein in the Database

26S proteasome complex subunit SEM1

State in the Current Structure

Other States of the Same Protein in the Database

ATP-dependent RNA helicase SUB2

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 (5)

Entity 1 Entity 1 polymer

Polymer Polymer

来源 Source

Entity 2 Entity 2 polymer

Polymer Polymer

来源 Source

Entity 3 Entity 3 polymer

Polymer Polymer

来源 Source

Entity 4 Entity 4 polymer

Polymer Polymer

来源 Source

Entity 5 Entity 5 water

8. Citations (1)

9. Files and Curves (10)

Files (7)

Curves (3)