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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：P53990 New Search
16PDB entries
17Biological assembly
166chain/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
3FRR Structure of human IST1(NTD) - (residues 1-189)(P21) Deposited 2009-01-08 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–189（189 aa） Fragment：UNP residues 1-189
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.6；296 K；35% pentaethritol propexylate 180mM KCl 50 mM HEPES, pH 7.6 7% ethylene glycol, VAPOR DIFFUSION, SITTING DROP, temperature 296K
Resolution 1.80 Å R-free 0.247
3FRS Structure of human IST1(NTD) (residues 1-189)(p43212) Deposited 2009-01-08 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 5–189（185 aa） Fragment：UNP residues 1-189
Not recorded GOL GLYCEROL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；296 K；10mM Tris-HCL, pH 8.0, 350mM NaCl, 1mM DTT, VAPOR DIFFUSION, SITTING DROP, temperature 296K
Resolution 2.61 Å R-free 0.298
3JC1 Electron cryo-microscopy of the IST1-CHMP1B ESCRT-III copolymer Deposited 2015-11-09 Assembly 1 Protein heterocomplex Heteromer；Protein × 68 PDB declaration: 68-meric（68） Consistent with protein count
Chain Aa 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Ac 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Ae 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Ag 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Ai 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Ak 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Am 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Ao 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Aq 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain As 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Au 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Aw 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Ay 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Ba 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Bc 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Be 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Bg 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Bi 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Bk 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Bm 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Bo 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Bq 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Bs 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Bu 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Bw 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain By 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Ca 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Cc 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Ce 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Cg 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Ci 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Ck 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Cm 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Chain Co 6–187（182 aa） Fragment：N-terminal domain (UNP residues 6-187)
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer 25 mM Tris, pH 8.0, 25 mM sodium chloride；pH 8；25 mM Tris, pH 8.0, 25 mM sodium chloride
cryo-EM vitrification conditions Deposited 3.5 uL sample, blotted 3-6 seconds (0 mm offset)；Cryogen ETHANE；Deposited 3.5 uL sample, blotted 3-6 seconds (0 mm offset), and plunged into liquid ethane (VITROBOT MARK III).
Resolution 4.00 Å
4U7E The crystal structure of the complex of LIP5 NTD and IST1 MIM Deposited 2014-07-30 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 341–364（24 aa） Fragment：UNP residues 341-364
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；277.15 K；30% (w/v) PEG5000MME, 0.1 M ammonium sulfate , 0.1 M MES
Resolution 1.60 Å R-free 0.201
4U7I Structure of the complex of Spartin MIT and IST1 MIM Deposited 2014-07-30 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 341–364（24 aa） Fragment：UNP residues 341-364
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.3；277 K；2.9 M Na-malonate
Resolution 1.79 Å R-free 0.220
4U7Y Structure of the complex of VPS4B MIT and IST1 MIM Deposited 2014-07-31 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 341–364（24 aa） Fragment：UNP residues 341-364
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.3；299 K；2.58 M Na-malonate
Resolution 2.50 Å R-free 0.271
4WZX ULK3 regulates cytokinetic abscission by phosphorylating ESCRT-III proteins Deposited 2014-11-20 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 342–364（23 aa） Fragment：MIT-interacting motif (UNP residues 342-364)
Not recorded CO COBALT (II) ION × 1 SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；295 K；50mM MES pH 6.5, 5mM Cobalt chloride, 800mM ammonium sulfate
Resolution 1.39 Å R-free 0.180
6E8G CryoEM reconstruction of IST1-CHMP1B copolymer filament bound to ssDNA at 2.9 Angstrom resolution Deposited 2018-07-29 Assembly 1 Protein heterocomplex Heteromer；Protein × 72 PDB declaration: 72-meric（72） Consistent with protein count
Chain A 1–366（366 aa）
Chain BA 1–366（366 aa）
Chain BB 1–366（366 aa）
Chain C 1–366（366 aa）
Chain DA 1–366（366 aa）
Chain DB 1–366（366 aa）
Chain E 1–366（366 aa）
Chain FA 1–366（366 aa）
Chain FB 1–366（366 aa）
Chain G 1–366（366 aa）
Chain HA 1–366（366 aa）
Chain HB 1–366（366 aa）
Chain I 1–366（366 aa）
Chain JA 1–366（366 aa）
Chain JB 1–366（366 aa）
Chain K 1–366（366 aa）
Chain LA 1–366（366 aa）
Chain LB 1–366（366 aa）
Chain M 1–366（366 aa）
Chain NA 1–366（366 aa）
Chain NB 1–366（366 aa）
Chain O 1–366（366 aa）
Chain PA 1–366（366 aa）
Chain PB 1–366（366 aa）
Chain Q 1–366（366 aa）
Chain RA 1–366（366 aa）
Chain RB 1–366（366 aa）
Chain S 1–366（366 aa）
Chain TA 1–366（366 aa）
Chain TB 1–366（366 aa）
Chain V 1–366（366 aa）
Chain VA 1–366（366 aa）
Chain X 1–366（366 aa）
Chain XA 1–366（366 aa）
Chain Z 1–366（366 aa）
Chain ZA 1–366（366 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE；0 mm offset with 10 sec wait time and 2-4 sec blot
Resolution 2.90 Å
6TZ4 CryoEM reconstruction of membrane-bound ESCRT-III filament composed of CHMP1B+IST1 (right-handed) Deposited 2019-08-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 72 PDB declaration: 72-meric（72） Consistent with protein count
Chain 01 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain AA 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain AB 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain B 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain CA 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain CB 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain D 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain EA 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain EB 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain F 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain GA 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain GB 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain H 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain IA 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain IB 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain J 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain KA 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain KB 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain L 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain MA 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain MB 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain N 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain OA 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain OB 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain P 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain QA 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain QB 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain R 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain SA 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain SB 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain T 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain UA 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain W 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain WA 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain Y 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain YA 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE；Grids were blotted with Whatman No. 1 filter paper for 4-8 seconds with a 0 mm offset at 19C and 100 percent humidity before plunging into liquid ethane
Resolution 3.20 Å
6TZ5 CryoEM reconstruction of membrane-bound ESCRT-III filament composed of CHMP1B+IST1 (left-handed) Deposited 2019-08-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 68 PDB declaration: 68-meric（68） Consistent with protein count
Chain A 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain BA 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain BB 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain C 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain DA 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain DB 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain E 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain FA 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain FB 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain G 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain HA 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain HB 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain I 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain JA 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain JB 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain K 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain LA 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain LB 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain M 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain NA 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain NB 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain O 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain PA 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain PB 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain Q 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain RA 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain S 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain TA 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain V 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain VA 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain X 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain XA 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain Z 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain ZA 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE；Grids were blotted with Whatman No. 1 filter paper for 4-8 seconds with a 0 mm offset at 19C and 100 percent humidity before plunging into liquid ethane
Resolution 3.10 Å
6TZA CryoEM reconstruction of ESCRT-III filament composed of IST1 NTD R16E K27E double mutant Deposited 2019-08-11 Assembly 1 Protein homooligomer Homooligomer；Protein × 14 PDB declaration: tetradecameric（14） Consistent with protein count
Chain A 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain B 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain C 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain D 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain E 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain F 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain G 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain H 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain I 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain J 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain K 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain L 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain M 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Chain N 1–189（189 aa） Fragment：N-terminal domain (UNP residues 1-189)
Mutation：R16E K27E Mutation：R16E K27E Mutation：R16E K27E Mutation：R16E K27E Mutation：R16E K27E Mutation：R16E K27E Mutation：R16E K27E Mutation：R16E K27E Mutation：R16E K27E Mutation：R16E K27E Mutation：R16E K27E Mutation：R16E K27E Mutation：R16E K27E Mutation：R16E K27E No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE；Grids were blotted with Whatman No. 1 filter paper for 4-8 seconds with a 0 mm offset at 19C and 100 percent humidity before plunging into liquid ethane.
Resolution 7.20 Å
7S7J Structure of Human SPASTIN-IST1 complex. Deposited 2021-09-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 342–364（23 aa） Fragment：UNP residues 342-364
Not recorded PG4 TETRAETHYLENE GLYCOL × 1 CA CALCIUM ION × 1 PGE TRIETHYLENE GLYCOL × 1 CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；278 K；40% v/v PEG 300, 100 mM Sodium cacodylate / Hydrochloric acid pH=6.5, 200 mM Calcium Acetate
Resolution 1.15 Å R-free 0.157
8UC6 Calpain-7:IST1 Complex Deposited 2023-09-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain G 335–379（45 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.2；294 K；Both proteins were purified and concentrated to 20 mg/ml in buffer containing 25 mM Tris, pH 7.2, 150 mM NaCl, 1 mM TCEP, 0.5 mM EDTA. The proteins were mixed in a 1:2 molar ratio (CAPN7:IST1). Crystals grew at 21 C (294 K) in Rigaku Wizard Cryo condition D5 (25% (v/v) 1,2-Porpanediol, 100 mM Sodium phosphate dibasic/Citric acid pH 4.2, 5% (w/v) PEG 3000, 10% (v/v) Glycerol. Crystals were transferred briefly to crystallization buffer supplemented with 25% added glycerol prior to plunging in liquid nitrogen
Resolution 2.70 Å R-free 0.285
8UC6 Calpain-7:IST1 Complex Deposited 2023-09-25 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 335–379（45 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.2；294 K；Both proteins were purified and concentrated to 20 mg/ml in buffer containing 25 mM Tris, pH 7.2, 150 mM NaCl, 1 mM TCEP, 0.5 mM EDTA. The proteins were mixed in a 1:2 molar ratio (CAPN7:IST1). Crystals grew at 21 C (294 K) in Rigaku Wizard Cryo condition D5 (25% (v/v) 1,2-Porpanediol, 100 mM Sodium phosphate dibasic/Citric acid pH 4.2, 5% (w/v) PEG 3000, 10% (v/v) Glycerol. Crystals were transferred briefly to crystallization buffer supplemented with 25% added glycerol prior to plunging in liquid nitrogen
Resolution 2.70 Å R-free 0.285
8V2Q CHMP1B/IST1 ssRNA bound copolymer Deposited 2023-11-23 Assembly 1 Protein heterocomplex Heteromer；Protein × 182 PDB declaration: 182-meric（182） Consistent with protein count
Chain B 1–364（364 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.95 Å
8V2R CryoEM of ssDNA bound CHMP1B/IST1 copolymer assembly Deposited 2023-11-23 Assembly 1 Protein heterocomplex Heteromer；Protein × 192 PDB declaration: 192-meric（192） Consistent with protein count
Chain B 1–364（364 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.01 Å
8V2S CHMP1B/IST1 dsDNA bound copolymer Deposited 2023-11-23 Assembly 1 Protein heterocomplex Heteromer；Protein × 192 PDB declaration: 192-meric（192） Consistent with protein count
Chain B 1–364（364 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.72 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.