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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：P51532 New Search
26PDB entries
32Biological assembly
32chain/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
2GRC 1.5 A structure of bromodomain from human BRG1 protein, a central ATPase of SWI/SNF remodeling complex Deposited 2006-04-24 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1448–1575（128 aa） Fragment：bromodomain, residues 1448-1575
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 8.5；298 K；0.1 M Tris, 25% w/v PEG 3350, pH 8.5, VAPOR DIFFUSION, temperature 298.0K
Resolution 1.50 Å R-free 0.264
2H60 Solution Structure of Human Brg1 Bromodomain Deposited 2006-05-30 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1452–1570（119 aa） Fragment：Bromodomain
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.4；293 K；Ionic strength (raw mmCIF value) 100mM NaCl；Pressure 1
NMR sample composition 1mM Brg1 bromodomain U-15N, 13C; 25mM phosphate buffer; 100mM NaCl; 90% H2O, 10% D2O | 90% H2O/10% D2O
Resolution not provided
3UVD Crystal Structure of the bromodomain of human Transcription activator BRG1 (SMARCA4) in complex with N-Methyl-2-pyrrolidone Deposited 2011-11-29 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1448–1569（122 aa） Fragment：unp residues 1448-1569
Not recorded MB3 1-methylpyrrolidin-2-one × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；277 K；28% MMW PEG smear 0.1M Tris.HCl pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 1.85 Å R-free 0.262
5DKD Crystal structure of the bromodomain of human BRG1 (SMARCA4) in complex with PFI-3 chemical probe Deposited 2015-09-03 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1418–1536（119 aa） Fragment：UNP residues 1418-1536
Not recorded ZN ZINC ION × 1 EDO 1,2-ETHANEDIOL × 3 5BW (2E)-1-(2-hydroxyphenyl)-3-[(1R,4R)-5-(pyridin-2-yl)-2,5-diazabicyclo[2.2.1]hept-2-yl]prop-2-en-1-one × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.2；277.15 K；0.1 M Bis Tris pH 7.2, 0.1 M ammonium acetate, 0.1 M ZnCl2, 15% PEG smear high (mixture from PEG8k to 20k)
Resolution 2.00 Å R-free 0.297
5DKD Crystal structure of the bromodomain of human BRG1 (SMARCA4) in complex with PFI-3 chemical probe Deposited 2015-09-03 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 1418–1536（119 aa） Fragment：UNP residues 1418-1536
Not recorded ZN ZINC ION × 1 EDO 1,2-ETHANEDIOL × 3 5BW (2E)-1-(2-hydroxyphenyl)-3-[(1R,4R)-5-(pyridin-2-yl)-2,5-diazabicyclo[2.2.1]hept-2-yl]prop-2-en-1-one × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.2；277.15 K；0.1 M Bis Tris pH 7.2, 0.1 M ammonium acetate, 0.1 M ZnCl2, 15% PEG smear high (mixture from PEG8k to 20k)
Resolution 2.00 Å R-free 0.297
5EA1 Crystal Structure of SMARCA4 bromodomain in complex with MPD Deposited 2015-10-15 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1451–1580（130 aa） Fragment：Bromodomain, UNP residues 1451-1580
Not recorded MRD (4R)-2-METHYLPENTANE-2,4-DIOL × 1 MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；PEG1000 (12.5%), PEG3350 (12.5%), MPD (12.5%)
Resolution 2.00 Å R-free 0.228
5EA1 Crystal Structure of SMARCA4 bromodomain in complex with MPD Deposited 2015-10-15 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 1451–1580（130 aa） Fragment：Bromodomain, UNP residues 1451-1580
Not recorded MRD (4R)-2-METHYLPENTANE-2,4-DIOL × 1 MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；PEG1000 (12.5%), PEG3350 (12.5%), MPD (12.5%)
Resolution 2.00 Å R-free 0.228
5EA1 Crystal Structure of SMARCA4 bromodomain in complex with MPD Deposited 2015-10-15 Assembly 3 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain C 1451–1580（130 aa） Fragment：Bromodomain, UNP residues 1451-1580
Not recorded MRD (4R)-2-METHYLPENTANE-2,4-DIOL × 1 MPD (4S)-2-METHYL-2,4-PENTANEDIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；277 K；PEG1000 (12.5%), PEG3350 (12.5%), MPD (12.5%)
Resolution 2.00 Å R-free 0.228
6HR2 Crystal structure of PROTAC 2 in complex with the bromodomain of human SMARCA4 and pVHL:ElonginC:ElonginB Deposited 2018-09-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1416–1535（120 aa）
Not recorded FWZ (2~{S},4~{R})-~{N}-[[2-[2-[4-[[4-[3-azanyl-6-(2-hydroxyphenyl)pyridazin-4-yl]piperazin-1-yl]methyl]phenyl]ethoxy]-4-(4-methyl-1,3-thiazol-5-yl)phenyl]methyl]-1-[(2~{S})-2-[(1-fluoranylcyclopropyl)carbonylamino]-3,3-dimethyl-butanoyl]-4-oxidanyl-pyrrolidine-2-carboxamide × 1 DMS DIMETHYL SULFOXIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；277 K；20% (w/v) PEG1500, 0.1 M MIB Buffer, pH 6.0
Resolution 1.76 Å R-free 0.236
6HR2 Crystal structure of PROTAC 2 in complex with the bromodomain of human SMARCA4 and pVHL:ElonginC:ElonginB Deposited 2018-09-26 Assembly 2 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain E 1416–1535（120 aa）
Not recorded FWZ (2~{S},4~{R})-~{N}-[[2-[2-[4-[[4-[3-azanyl-6-(2-hydroxyphenyl)pyridazin-4-yl]piperazin-1-yl]methyl]phenyl]ethoxy]-4-(4-methyl-1,3-thiazol-5-yl)phenyl]methyl]-1-[(2~{S})-2-[(1-fluoranylcyclopropyl)carbonylamino]-3,3-dimethyl-butanoyl]-4-oxidanyl-pyrrolidine-2-carboxamide × 1 DMS DIMETHYL SULFOXIDE × 1 EDO 1,2-ETHANEDIOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；277 K；20% (w/v) PEG1500, 0.1 M MIB Buffer, pH 6.0
Resolution 1.76 Å R-free 0.236
6LTH Structure of human BAF Base module Deposited 2020-01-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain I 1–1647（1647 aa）
Not recorded ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
6LTJ Structure of nucleosome-bound human BAF complex Deposited 2020-01-22 Assembly 1 Protein–DNA Heteromer；Protein × 18 PDB declaration: eicosameric（20） Consistent with all polymers
Chain I 1–1647（1647 aa）
Not recorded ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.70 Å
6ZS2 Crystal Structure of the bromodomain of human transcription activator BRG1 (SMARCA4) in complex with 2-(6-amino-5-(piperazin-1-yl)pyridazin-3-yl)phenol Deposited 2020-07-15 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1418–1536（119 aa）
Not recorded FX5 2-(6-azanyl-5-piperazin-4-ium-1-yl-pyridazin-3-yl)phenol × 1 EDO 1,2-ETHANEDIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；Crystallization buffer: 20% medium-molecular-weight PEG smear, 0.1 M Tris pH 8.5
Resolution 1.57 Å R-free 0.215
6ZS2 Crystal Structure of the bromodomain of human transcription activator BRG1 (SMARCA4) in complex with 2-(6-amino-5-(piperazin-1-yl)pyridazin-3-yl)phenol Deposited 2020-07-15 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 1418–1536（119 aa）
Not recorded FX5 2-(6-azanyl-5-piperazin-4-ium-1-yl-pyridazin-3-yl)phenol × 1 EDO 1,2-ETHANEDIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；Crystallization buffer: 20% medium-molecular-weight PEG smear, 0.1 M Tris pH 8.5
Resolution 1.57 Å R-free 0.215
7VDT The motor-nucleosome module of human chromatin remodeling PBAF-nucleosome complex Deposited 2021-09-07 Assembly 1 Protein–DNA Heteromer；Protein × 9 PDB declaration: undecameric（11） Consistent with all polymers
Chain A 160–1614（1455 aa）
Not recorded BEF BERYLLIUM TRIFLUORIDE ION × 1 MG MAGNESIUM ION × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
7VDV The overall structure of human chromatin remodeling PBAF-nucleosome complex Deposited 2021-09-07 Assembly 1 Protein–DNA Heteromer；Protein × 22 PDB declaration: 24-meric（24） Consistent with all polymers
Chain A 160–1614（1455 aa）
Not recorded BEF BERYLLIUM TRIFLUORIDE ION × 1 MG MAGNESIUM ION × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
7Y8R The nucleosome-bound human PBAF complex Deposited 2022-06-24 Assembly 1 Protein–DNA Heteromer；Protein × 25 PDB declaration: 27-meric（27） Consistent with all polymers
Chain I 1–1647（1647 aa）
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.40 Å
8EB1 Chim2 - Intragenic antimicrobial peptide Deposited 2022-08-30 Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 874–878（5 aa）
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 7.4；298 K；Ionic strength (raw mmCIF value) PBS 10 mM；Pressure 1
NMR sample composition 1.28 mM peptide, 32 mM D-98% Dodecylphosphorylcholine-d38, 10 mM PBS, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
8G1Q Co-crystal structure of Compound 1 in complex with the bromodomain of human SMARCA4 and pVHL:ElonginC:ElonginB Deposited 2023-02-02 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain H 1447–1569（123 aa）
Not recorded NA SODIUM ION × 1 YHB N-(2-{4-[(6M)-3-amino-6-(2-hydroxyphenyl)pyridazin-4-yl]piperazin-1-yl}pyridine-4-carbonyl)-3-methyl-L-valyl-(4R)-4-hydroxy-N-{(1S)-1-[4-(4-methyl-1,3-thiazol-5-yl)phenyl]ethyl}-L-prolinamide × 1 PEG DI(HYDROXYETHYL)ETHER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；293 K；PEG 300 0.1M Bis-Tris 6.5
Resolution 3.73 Å R-free 0.326
8QJR BRG1 bromodomain in complex with VBC via compound 17 Deposited 2023-09-13 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain G 1418–1536（119 aa） Fragment：UNP residues 1418-1536
Not recorded PO4 PHOSPHATE ION × 5 GOL GLYCEROL × 1 VLH (2S,4R)-1-[(2R)-2-[3-[2-[4-[3-[4-[(1R,5S)-3-[3-azanyl-6-(2-hydroxyphenyl)pyridazin-4-yl]-3,8-diazabicyclo[3.2.1]octan-8-yl]pyridin-2-yl]oxycyclobutyl]oxypiperidin-1-yl]ethoxy]-1,2-oxazol-5-yl]-3-methyl-butanoyl]-N-[(1S)-1-[4-(4-methyl-1,3-thiazol-5-yl)phenyl]ethyl]-4-oxidanyl-pyrrolidine-2-carboxamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；27 mM HEPES pH 6.8, 73 mM HEPES pH 8.6, 1.0 M NaI
Resolution 3.17 Å R-free 0.278
8QJR BRG1 bromodomain in complex with VBC via compound 17 Deposited 2023-09-13 Assembly 2 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain H 1418–1536（119 aa） Fragment：UNP residues 1418-1536
Not recorded PO4 PHOSPHATE ION × 2 VLH (2S,4R)-1-[(2R)-2-[3-[2-[4-[3-[4-[(1R,5S)-3-[3-azanyl-6-(2-hydroxyphenyl)pyridazin-4-yl]-3,8-diazabicyclo[3.2.1]octan-8-yl]pyridin-2-yl]oxycyclobutyl]oxypiperidin-1-yl]ethoxy]-1,2-oxazol-5-yl]-3-methyl-butanoyl]-N-[(1S)-1-[4-(4-methyl-1,3-thiazol-5-yl)phenyl]ethyl]-4-oxidanyl-pyrrolidine-2-carboxamide × 1 CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；295 K；27 mM HEPES pH 6.8, 73 mM HEPES pH 8.6, 1.0 M NaI
Resolution 3.17 Å R-free 0.278
9DTX Crystal structure of PRT3789 in complex with the bromodomain of human BRG1 (SMARCA4) and pVHL:ElonginC:ElonginB Deposited 2024-10-02 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain D 1448–1569（122 aa） Fragment：UNP residues 1448-1569
Not recorded A1BB4 (4R)-4-hydroxy-1-[(2R)-2-(3-{[(2S)-1-{(3R)-3-[(2M,6aS,11S)-2-(2-hydroxyphenyl)-5,6,6a,7,9,10-hexahydro-8H-pyrazino[1',2':4,5]pyrazino[2,3-c]pyridazin-8-yl]pyrrolidin-1-yl}propan-2-yl]oxy}-1,2-oxazol-5-yl)-3-methylbutanoyl]-N-{(1S)-1-[4-(4-methyl-1,3-thiazol-5-yl)phenyl]ethyl}-L-prolinamide × 1 GOL GLYCEROL × 1 EDO 1,2-ETHANEDIOL × 1 CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；291 K；0.1 M Bis-Tris propane, pH 8.5, 0.2 M potassium thiocyanate, 20% w/v PEG3350
Resolution 2.11 Å R-free 0.232
9RL4 Structure of BAF in complex with OCT4-SOX2-bound nucleosome - SHL-6 Deposited 2025-06-16 Assembly 1 Insufficient information Heteromer；Protein × 20 PDB declaration: 22-meric（22） Consistent with all polymers
Chain I 1–1647（1647 aa）
Not recorded PTD PENTANEDIAL × 16 ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
9RMC Structure of BAF in complex with OCT4-SOX2-bound nucleosome - SHL+6 class 1 Deposited 2025-06-18 Assembly 1 Insufficient information Heteromer；Protein × 20 PDB declaration: 22-meric（22） Consistent with all polymers
Chain I 1–1647（1647 aa）
Not recorded ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.20 Å
9RN1 Structure of BAF-nucleosome complex with OCT4-SOX2 at SHL+6 in ADP-bound state, BAF47 bound to ATPase lobe 2 Deposited 2025-06-19 Assembly 1 Insufficient information Heteromer；Protein × 20 PDB declaration: 22-meric（22） Consistent with all polymers
Chain I 1–1647（1647 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.90 Å
9RN2 Structure of BAF in complex with OCT4-SOX2-bound nucleosome - SHL+6 class 2 Deposited 2025-06-19 Assembly 1 Insufficient information Heteromer；Protein × 19 PDB declaration: 21-meric（21） Consistent with all polymers
Chain I 1–1647（1647 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
9UX9 local ATPase-NCP structure of the ncBAF-nucleosome complex in the ADP-BeFx-bound state Deposited 2025-05-13 Assembly 1 Protein–DNA Heteromer；Protein × 9 PDB declaration: 11-meric（11） Consistent with all polymers
Chain K 2–1647（1646 aa）
Not recorded BEF BERYLLIUM TRIFLUORIDE ION × 1 MG MAGNESIUM ION × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.05 Å
9UXA local ARP-NCP structure of the ncBAF-nucleosome complex in the apo state Deposited 2025-05-13 Assembly 1 Protein–DNA Heteromer；Protein × 12 PDB declaration: 14-meric（14） Consistent with all polymers
Chain K 2–1647（1646 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.28 Å
9UXB The apo structure of BCL7B-containing ARP module of the human SWI/SNF complex Deposited 2025-05-13 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 446–517（72 aa）
Not recorded MG MAGNESIUM ION × 2 ATP ADENOSINE-5'-TRIPHOSPHATE × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.92 Å
9UXC The ADP-bound structure of BCL7B-containing ARP module of the human SWI/SNF complex Deposited 2025-05-13 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 446–517（72 aa）
Not recorded MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 1 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.74 Å
9WBZ The structure of NCP-motor-ARP module of ncBAF-nucleosome complex Deposited 2025-08-15 Assembly 1 Protein–DNA Heteromer；Protein × 12 PDB declaration: tetradecameric（14） Consistent with all polymers
Chain A 1–1614（1614 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
9WC1 The structure of ARP module in ncBAF complex Deposited 2025-08-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain D 1–1614（1614 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å

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.