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Protein Structures and Oligomeric States

Enter a protein name, UniProt accession or PDB ID. Name searches ask you to confirm the protein identity before related structures are queried.

Current Protein Identity：P26599 New Search
13PDB entries
30Biological assembly
30chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics

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
1QM9 NMR, REPRESENTATIVE STRUCTURE Deposited 1999-09-22 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 335–531（197 aa） Fragment：RNA BINDING FRAGMENT
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 5；302 K
Resolution not provided
1SJQ NMR Structure of RRM1 from Human Polypyrimidine Tract Binding Protein Isoform 1 (PTB1) Deposited 2004-03-04 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 54–147（94 aa） Fragment：RRM1, residues 54-147
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.5；303 K；Ionic strength (raw mmCIF value) 0.3 M；Pressure ambient
NMR sample composition 1 mM PTB1-1 U-15N,13C, 50 mM Na phosphate buffer, 100 mM NaCl, 2 mM NaN3,10% D2O | 100 mM NaCl, 2 mM NaN3,10% D2O
Resolution not provided
1SJR NMR Structure of RRM2 from Human Polypyrimidine Tract Binding Protein Isoform 1 (PTB1) Deposited 2004-03-04 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 147–301（155 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.5；303 K；Ionic strength (raw mmCIF value) 0.3 M；Pressure ambient
NMR sample composition 0.25 mM PTB1-2, U-15N, 13C, 50 mM Na phosphate buffer, 100 mM NaCl, 10 mM DTT, 2 mM NaN3,10% D2O | 10% D2O
Resolution not provided
2AD9 Solution structure of Polypyrimidine Tract Binding protein RBD1 complexed with CUCUCU RNA Deposited 2005-07-20 Assembly 1 Protein–RNA Monomer；Protein × 1 PDB declaration: dimeric（2） Consistent with all polymers
Chain A 49–146（98 aa） Fragment：RBD1
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6；313 K；Ionic strength (raw mmCIF value) 30mM；Pressure ambient
NMR sample composition 1.5mM PTB RBD1 15N, 13C; 1.5mM CUCUCU-RNA; 20mM phosphate buffer; 10mM NaCl | 90% H2O/10% D2O
NMR sample composition 1.5mM PTB RBD1 15N; 1.5mM CUCUCU-RNA; 20mM phosphate buffer; 10mM NaCl | 90% H2O/10% D2O
NMR sample composition 1.5mM PTB RBD1 15N; 1.5mM CUCUCU-RNA; 20mM phosphate buffer; 10mM NaCl | 100% D2O
Resolution not provided
2ADB Solution structure of Polypyrimidine Tract Binding protein RBD2 complexed with CUCUCU RNA Deposited 2005-07-20 Assembly 1 Protein–RNA Monomer；Protein × 1 PDB declaration: dimeric（2） Consistent with all polymers
Chain A 172–298（127 aa） Fragment：RBD2
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 5.5；313 K；Ionic strength (raw mmCIF value) 30mM；Pressure ambient
NMR sample composition 1.5mM PTB RBD2 15N, 13C; 1.5mM CUCUCU-RNA; 20mM phosphate buffer; 10mM NaCl | 90% H2O/10% D2O
NMR sample composition 1.5mM PTB RBD2 15N; 1.5mM CUCUCU-RNA; 20mM phosphate buffer; 10mM NaCl | 90% H2O/10% D2O
NMR sample composition 1.5mM PTB RBD2 15N; 1.5mM CUCUCU-RNA; 20mM phosphate buffer; 10mM NaCl | 100% D2O
Resolution not provided
2ADC Solution structure of Polypyrimidine Tract Binding protein RBD34 complexed with CUCUCU RNA Deposited 2005-07-20 Assembly 1 Protein–RNA Monomer；Protein × 1 PDB declaration: trimeric（3） Consistent with all polymers
Chain A 324–531（208 aa） Fragment：RBD34
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6；313 K；Ionic strength (raw mmCIF value) 30mM；Pressure ambient
NMR sample composition 1.5mM PTB RBD34 15N, 13C; 3mM CUCUCU-RNA; 20mM phosphate buffer; 10mM NaCl | 90% H2O/10% D2O
NMR sample composition 1.5mM PTB RBD34 15N; 3mM CUCUCU-RNA; 20mM phosphate buffer; 10mM NaCl | 90% H2O/10% D2O
NMR sample composition 1.5mM PTB RBD34 15N; 3mM CUCUCU-RNA; 20mM phosphate buffer; 10mM NaCl | 100% D2O
Resolution not provided
2EVZ Structure of RNA Binding Domains 3 and 4 of Polypyrimidine Tract Binding Protein Deposited 2005-11-01 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 324–531（208 aa） Fragment：RNA BINDING DOMAINS 3 AND 4
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.5；303 K；Ionic strength (raw mmCIF value) 20mM NaCl, 10mM Na-phosphate；Pressure 1
NMR sample composition 1mM PTB RBD34 15N; 20mM NaCl; 10mM sodium phosphate; 90% H2O, 10% D2O | 90% H2O/10% D2O
NMR sample composition 1mM PTB RBD34 15N, 13C; 20mM NaCl; 10mM sodium phosphate; 90% H2O, 10% D2O | 90% H2O/10% D2O
NMR sample composition 1mM PTB RBD34 15N; 20mM NaCl; 10mM sodium phosphate; 100% D2O | 100% D2O
NMR sample composition 1mM PTB RBD34 15N, 13C; 20mM NaCl; 10mM sodium phosphate; 100% D2O | 100% D2O
NMR sample composition 1mM PTB RBD3 15N, 13C, RBD4 unlabeled; 20mM NaCl; 10mM sodium phosphate; 100% D2O | 100% D2O
NMR sample composition 1mM PTB RBD3 unlabeled, RBD4 13C, 15N; 20mM NaCl; 10mM sodium phosphate; 100% D2O | 100% D2O
Resolution not provided
2N3O Structure of PTB RRM1(41-163) bound to an RNA stemloop containing a structured loop derived from viral internal ribosomal entry site RNA Deposited 2015-06-08 Assembly 1 Protein–RNA Monomer；Protein × 1 PDB declaration: dimeric（2） Consistent with all polymers
Chain A 41–163（123 aa） Fragment：UNP residues 41-163
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.5；313 K；Ionic strength (raw mmCIF value) 0.020；Pressure ambient
NMR measurement conditions pH 6.5；298 K；Ionic strength (raw mmCIF value) 0.020；Pressure ambient
NMR measurement conditions pH 6.5；278 K；Ionic strength (raw mmCIF value) 0.020；Pressure ambient
NMR measurement conditions pH 6.5；303 K；Ionic strength (raw mmCIF value) 0.020；Pressure ambient
NMR sample composition 1 mM [U-99% 15N] PTBRRM1, 1 mM RNA, 10 mM sodium phosphate, 20 mM sodium chloride, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 1 mM [U-99% 15N] PTBRRM1, 1 mM [U-99% 13C; U-99% 15N] RNA, 10 mM sodium phosphate, 20 mM sodium chloride, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 1 mM [U-99% 15N] PTBRRM1, 1 mM [U-13C; U-15N]-ribose-Cyt9,Ura11,Ura13,Gua15 RNA, 10 mM sodium phosphate, 20 mM sodium chloride, 100% D2O | 100% D2O
NMR sample composition 1 mM [U-99% 15N] PTBRRM1, 1 mM [U-13C; U-15N]-Ura7,Ura10,Cyt11,Ura12,Ura13,Ura14,Cyt15,Cyt16,Ura20,Cyt21,Cyt22,Cyt23 RNA, 10 mM sodium phosphate, 20 mM sodium chloride, 100% D2O | 100% D2O
NMR sample composition 1 mM [U-99% 13C; U-99% 15N] RNA, 10 mM sodium phosphate, 20 mM sodium chloride, 100% D2O | 100% D2O
NMR sample composition 1 mM RNA, 10 mM sodium phosphate, 20 mM sodium chloride, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 1 mM [U-99% 13C; U-99% 15N] PTBRRM1, 1 mM RNA, 10 mM sodium phosphate, 20 mM sodium chloride, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 1 mM [U-99% 15N] PTBRRM1, 1 mM [U-99% 13C; U-99% 15N] RNA, 10 mM sodium phosphate, 20 mM sodium chloride, 100% D2O | 100% D2O
NMR sample composition 1 mM [U-99% 15N] PTBRRM1, 1 mM [U-13C; U-15N]-ribose-Ura10,Ura12,Ura14 RNA, 10 mM sodium phosphate, 20 mM sodium chloride, 100% D2O | 100% D2O
NMR sample composition 1 mM [U-99% 15N] PTBRRM1, 1 mM RNA, 10 mM sodium phosphate, 20 mM sodium chloride, 100% D2O | 100% D2O
NMR sample composition 1 mM [U-99% 13C; U-99% 15N] PTBRRM1, 1 mM RNA, 10 mM sodium phosphate, 20 mM sodium chloride, 100% D2O | 100% D2O
NMR sample composition 1 mM [U-99% 15N] PTBRRM1, 1 mM RNA, 10 mM sodium phosphate, 20 mM sodium chloride, 13 mg/mL Pf1 phage, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 1 mM [U-99% 15N] PTBRRM1, 1 mM [U-99% 13C; U-99% 15N] RNA, 10 mM sodium phosphate, 20 mM sodium chloride, 13 mg/mL Pf1 phage, 100% D2O | 100% D2O
NMR sample composition 1 mM [U-99% 15N] PTBRRM1, 1 mM [U-99% 13C; U-99% 15N] RNA, 10 mM sodium phosphate, 20 mM sodium chloride, 13 mg/mL Pf1 phage, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
3ZZY Crystal structure of a Raver1 PRI3 peptide in complex with polypyrimidine tract binding protein RRM2 Deposited 2011-09-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 156–285（130 aa） Fragment：RNA RECOGNITION MOTIF 2, RESIDUES 172-301
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；SEE PAPER., pH 6.5
Resolution 1.40 Å R-free 0.234
3ZZY Crystal structure of a Raver1 PRI3 peptide in complex with polypyrimidine tract binding protein RRM2 Deposited 2011-09-06 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 156–285（130 aa） Fragment：RNA RECOGNITION MOTIF 2, RESIDUES 172-301
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；SEE PAPER., pH 6.5
Resolution 1.40 Å R-free 0.234
3ZZZ Crystal structure of a Raver1 PRI4 peptide in complex with polypyrimidine tract binding protein RRM2 Deposited 2011-09-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 156–285（130 aa） Fragment：RNA RECOGNITION MOTIF 2, RESIDUES 156-285
Not recorded IOD IODIDE ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；SEE PAPER., pH 6.5
Resolution 1.55 Å R-free 0.224
3ZZZ Crystal structure of a Raver1 PRI4 peptide in complex with polypyrimidine tract binding protein RRM2 Deposited 2011-09-06 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 156–285（130 aa） Fragment：RNA RECOGNITION MOTIF 2, RESIDUES 156-285
Not recorded IOD IODIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；SEE PAPER., pH 6.5
Resolution 1.55 Å R-free 0.224
8BGF NMR solution structure of the N-terminal RRM and flanking linker regions of Polypyrimidine tract binding protein 1 using the CYANA CONSENSUS method. Deposited 2022-10-27 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 41–163（123 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.5；298 K；Ionic strength (raw mmCIF value) 33.3；Pressure 1
NMR measurement conditions pH 6.5；313 K；Ionic strength (raw mmCIF value) 33.3；Pressure 1
NMR measurement conditions pH 6.5；293 K；Ionic strength (raw mmCIF value) 33.3；Pressure 1
NMR sample composition 0.8 mM [U-15N]-99% Polypyrimidine-tract binding protein N-terminal RNA recognition motif, 10 mM NaH2PO4/NaOH buffer, 20 mM sodium chloride, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.8 mM [U-13C,15N]-99% Polypyrimidine-tract binding protein N-terminal RNA recognition motif, 10 mM NaH2PO4/NaOH buffer, 20 mM sodium chloride, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.8 mM [U-15N]-99% Polypyrimidine-tract binding protein N-terminal RNA recognition motif, 10 mM NaH2PO4/NaOH buffer, 20 mM sodium chloride, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 0.8 mM [U-15N]-99% Polypyrimidine-tract binding protein N-terminal RNA recognition motif, 10 mM NaH2PO4/NaOH buffer, 20 mM sodium chloride, 0.8 mM [U-13C,15N]-99% UCUUU-SL-RNA, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
8BWF PTBP1 RRM1 bound to an allosteric inhibitor Deposited 2022-12-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 57–140（84 aa）
Not recorded SO4 SULFATE ION × 5 NH2 AMINO GROUP × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.86；298 K；1.89M Ammoniumsulfate, 0.1 M HEPES, 2 v/v% PEG400
Resolution 2.90 Å R-free 0.340
8BWF PTBP1 RRM1 bound to an allosteric inhibitor Deposited 2022-12-06 Assembly 10 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain J 57–140（84 aa）
Not recorded NH2 AMINO GROUP × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.86；298 K；1.89M Ammoniumsulfate, 0.1 M HEPES, 2 v/v% PEG400
Resolution 2.90 Å R-free 0.340
8BWF PTBP1 RRM1 bound to an allosteric inhibitor Deposited 2022-12-06 Assembly 11 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain K 57–140（84 aa）
Not recorded SO4 SULFATE ION × 2 NH2 AMINO GROUP × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.86；298 K；1.89M Ammoniumsulfate, 0.1 M HEPES, 2 v/v% PEG400
Resolution 2.90 Å R-free 0.340
8BWF PTBP1 RRM1 bound to an allosteric inhibitor Deposited 2022-12-06 Assembly 12 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain L 57–140（84 aa）
Not recorded SO4 SULFATE ION × 1 NH2 AMINO GROUP × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.86；298 K；1.89M Ammoniumsulfate, 0.1 M HEPES, 2 v/v% PEG400
Resolution 2.90 Å R-free 0.340
8BWF PTBP1 RRM1 bound to an allosteric inhibitor Deposited 2022-12-06 Assembly 13 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain M 57–140（84 aa）
Not recorded NH2 AMINO GROUP × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.86；298 K；1.89M Ammoniumsulfate, 0.1 M HEPES, 2 v/v% PEG400
Resolution 2.90 Å R-free 0.340
8BWF PTBP1 RRM1 bound to an allosteric inhibitor Deposited 2022-12-06 Assembly 14 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain N 57–140（84 aa）
Not recorded NH2 AMINO GROUP × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.86；298 K；1.89M Ammoniumsulfate, 0.1 M HEPES, 2 v/v% PEG400
Resolution 2.90 Å R-free 0.340
8BWF PTBP1 RRM1 bound to an allosteric inhibitor Deposited 2022-12-06 Assembly 15 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain O 57–140（84 aa）
Not recorded SO4 SULFATE ION × 1 NH2 AMINO GROUP × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.86；298 K；1.89M Ammoniumsulfate, 0.1 M HEPES, 2 v/v% PEG400
Resolution 2.90 Å R-free 0.340
8BWF PTBP1 RRM1 bound to an allosteric inhibitor Deposited 2022-12-06 Assembly 16 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain P 57–140（84 aa）
Not recorded NH2 AMINO GROUP × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.86；298 K；1.89M Ammoniumsulfate, 0.1 M HEPES, 2 v/v% PEG400
Resolution 2.90 Å R-free 0.340
8BWF PTBP1 RRM1 bound to an allosteric inhibitor Deposited 2022-12-06 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 57–140（84 aa）
Not recorded NH2 AMINO GROUP × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.86；298 K；1.89M Ammoniumsulfate, 0.1 M HEPES, 2 v/v% PEG400
Resolution 2.90 Å R-free 0.340
8BWF PTBP1 RRM1 bound to an allosteric inhibitor Deposited 2022-12-06 Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 57–140（84 aa）
Not recorded SO4 SULFATE ION × 1 NH2 AMINO GROUP × 1 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.86；298 K；1.89M Ammoniumsulfate, 0.1 M HEPES, 2 v/v% PEG400
Resolution 2.90 Å R-free 0.340
8BWF PTBP1 RRM1 bound to an allosteric inhibitor Deposited 2022-12-06 Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 57–140（84 aa）
Not recorded SO4 SULFATE ION × 2 NH2 AMINO GROUP × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.86；298 K；1.89M Ammoniumsulfate, 0.1 M HEPES, 2 v/v% PEG400
Resolution 2.90 Å R-free 0.340
8BWF PTBP1 RRM1 bound to an allosteric inhibitor Deposited 2022-12-06 Assembly 5 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 57–140（84 aa）
Not recorded NH2 AMINO GROUP × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.86；298 K；1.89M Ammoniumsulfate, 0.1 M HEPES, 2 v/v% PEG400
Resolution 2.90 Å R-free 0.340
8BWF PTBP1 RRM1 bound to an allosteric inhibitor Deposited 2022-12-06 Assembly 6 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain F 57–140（84 aa）
Not recorded SO4 SULFATE ION × 2 NH2 AMINO GROUP × 1 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.86；298 K；1.89M Ammoniumsulfate, 0.1 M HEPES, 2 v/v% PEG400
Resolution 2.90 Å R-free 0.340
8BWF PTBP1 RRM1 bound to an allosteric inhibitor Deposited 2022-12-06 Assembly 7 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain G 57–140（84 aa）
Not recorded SO4 SULFATE ION × 3 NH2 AMINO GROUP × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.86；298 K；1.89M Ammoniumsulfate, 0.1 M HEPES, 2 v/v% PEG400
Resolution 2.90 Å R-free 0.340
8BWF PTBP1 RRM1 bound to an allosteric inhibitor Deposited 2022-12-06 Assembly 8 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain H 57–140（84 aa）
Not recorded SO4 SULFATE ION × 1 NH2 AMINO GROUP × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.86；298 K；1.89M Ammoniumsulfate, 0.1 M HEPES, 2 v/v% PEG400
Resolution 2.90 Å R-free 0.340
8BWF PTBP1 RRM1 bound to an allosteric inhibitor Deposited 2022-12-06 Assembly 9 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain I 57–140（84 aa）
Not recorded NH2 AMINO GROUP × 1 GOL GLYCEROL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.86；298 K；1.89M Ammoniumsulfate, 0.1 M HEPES, 2 v/v% PEG400
Resolution 2.90 Å R-free 0.340
9LGQ The crystal structure of SARS-CoV-2 NSP5 in complex with PTBP1 Deposited 2025-01-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 316–325（10 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；291.15 K；0.1 M MES pH 5.6, 7% PEG 6000, and 6% dimethyl sulfoxide (DMSO)
Resolution 1.82 Å R-free 0.218

This page presents structural evidence recorded in PDB/mmCIF.“No recorded non-water small molecule” does not prove that the experimental sample was ligand-free; experimental conditions belong to the PDB experiment, while ligands and copy counts are shown for each biological assembly.