6tz5

CryoEM reconstruction of membrane-bound ESCRT-III filament composed of CHMP1B+IST1 (left-handed)

Method: ELECTRON MICROSCOPY Dmax: 253.2 Å Quality: GOOD

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

Charged multivesicular body protein 1b

Homo sapiens

UniProt Q7LBR1

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 × 68 PDB declaration: 68-meric(68) Consistent with protein copy count Chain AA; UniProt 1–199 Chain AB; UniProt 1–199 Chain B; UniProt 1–199 Chain CA; UniProt 1–199 Chain CB; UniProt 1–199 Chain D; UniProt 1–199 Chain EA; UniProt 1–199 Chain EB; UniProt 1–199 Chain F; UniProt 1–199 Chain GA; UniProt 1–199 Chain GB; UniProt 1–199 Chain H; UniProt 1–199 Chain IA; UniProt 1–199 Chain IB; UniProt 1–199 Chain J; UniProt 1–199 Chain KA; UniProt 1–199 Chain KB; UniProt 1–199 Chain L; UniProt 1–199 Chain MA; UniProt 1–199 Chain MB; UniProt 1–199 Chain N; UniProt 1–199 Chain OA; UniProt 1–199 Chain OB; UniProt 1–199 Chain P; UniProt 1–199 Chain QA; UniProt 1–199 Chain QB; UniProt 1–199 Chain R; UniProt 1–199 Chain SA; UniProt 1–199 Chain T; UniProt 1–199 Chain UA; UniProt 1–199 Chain W; UniProt 1–199 Chain WA; UniProt 1–199 Chain Y; UniProt 1–199 Chain YA; UniProt 1–199 Mutation:K37E IST1 homolog × 34 (P53990) 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

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.

9 other PDB entries and 10 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CHM1B_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain AA; PDBConstruct 1–199; UniProt 1–199 Author chain AB; PDBConstruct 1–199; UniProt 1–199 Author chain B; PDBConstruct 1–199; UniProt 1–199 Author chain CA; PDBConstruct 1–199; UniProt 1–199 Author chain CB; PDBConstruct 1–199; UniProt 1–199 Author chain D; PDBConstruct 1–199; UniProt 1–199 Author chain EA; PDBConstruct 1–199; UniProt 1–199 Author chain EB; PDBConstruct 1–199; UniProt 1–199 Author chain F; PDBConstruct 1–199; UniProt 1–199 Author chain GA; PDBConstruct 1–199; UniProt 1–199 Author chain GB; PDBConstruct 1–199; UniProt 1–199 Author chain H; PDBConstruct 1–199; UniProt 1–199 Author chain IA; PDBConstruct 1–199; UniProt 1–199 Author chain IB; PDBConstruct 1–199; UniProt 1–199 Author chain J; PDBConstruct 1–199; UniProt 1–199 Author chain KA; PDBConstruct 1–199; UniProt 1–199 Author chain KB; PDBConstruct 1–199; UniProt 1–199 Author chain L; PDBConstruct 1–199; UniProt 1–199 Author chain MA; PDBConstruct 1–199; UniProt 1–199 Author chain MB; PDBConstruct 1–199; UniProt 1–199 Author chain N; PDBConstruct 1–199; UniProt 1–199 Author chain OA; PDBConstruct 1–199; UniProt 1–199 Author chain OB; PDBConstruct 1–199; UniProt 1–199 Author chain P; PDBConstruct 1–199; UniProt 1–199 Author chain QA; PDBConstruct 1–199; UniProt 1–199 Author chain QB; PDBConstruct 1–199; UniProt 1–199 Author chain R; PDBConstruct 1–199; UniProt 1–199 Author chain SA; PDBConstruct 1–199; UniProt 1–199 Author chain T; PDBConstruct 1–199; UniProt 1–199 Author chain UA; PDBConstruct 1–199; UniProt 1–199 Author chain W; PDBConstruct 1–199; UniProt 1–199 Author chain WA; PDBConstruct 1–199; UniProt 1–199 Author chain Y; PDBConstruct 1–199; UniProt 1–199 Author chain YA; PDBConstruct 1–199; UniProt 1–199

IST1 homolog

Homo sapiens

UniProt P53990

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 × 68 PDB declaration: 68-meric(68) Consistent with protein copy count Chain A; UniProt 1–189 Chain BA; UniProt 1–189 Chain BB; UniProt 1–189 Chain C; UniProt 1–189 Chain DA; UniProt 1–189 Chain DB; UniProt 1–189 Chain E; UniProt 1–189 Chain FA; UniProt 1–189 Chain FB; UniProt 1–189 Chain G; UniProt 1–189 Chain HA; UniProt 1–189 Chain HB; UniProt 1–189 Chain I; UniProt 1–189 Chain JA; UniProt 1–189 Chain JB; UniProt 1–189 Chain K; UniProt 1–189 Chain LA; UniProt 1–189 Chain LB; UniProt 1–189 Chain M; UniProt 1–189 Chain NA; UniProt 1–189 Chain NB; UniProt 1–189 Chain O; UniProt 1–189 Chain PA; UniProt 1–189 Chain PB; UniProt 1–189 Chain Q; UniProt 1–189 Chain RA; UniProt 1–189 Chain S; UniProt 1–189 Chain TA; UniProt 1–189 Chain V; UniProt 1–189 Chain VA; UniProt 1–189 Chain X; UniProt 1–189 Chain XA; UniProt 1–189 Chain Z; UniProt 1–189 Chain ZA; UniProt 1–189 Fragment:N-terminal domain (UNP residues 1-189) Charged multivesicular body protein 1b × 34 (Q7LBR1) 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

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.

15 other PDB entries and 16 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name IST1_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain A; PDBConstruct 1–189; UniProt 1–189 Author chain BA; PDBConstruct 1–189; UniProt 1–189 Author chain BB; PDBConstruct 1–189; UniProt 1–189 Author chain C; PDBConstruct 1–189; UniProt 1–189 Author chain DA; PDBConstruct 1–189; UniProt 1–189 Author chain DB; PDBConstruct 1–189; UniProt 1–189 Author chain E; PDBConstruct 1–189; UniProt 1–189 Author chain FA; PDBConstruct 1–189; UniProt 1–189 Author chain FB; PDBConstruct 1–189; UniProt 1–189 Author chain G; PDBConstruct 1–189; UniProt 1–189 Author chain HA; PDBConstruct 1–189; UniProt 1–189 Author chain HB; PDBConstruct 1–189; UniProt 1–189 Author chain I; PDBConstruct 1–189; UniProt 1–189 Author chain JA; PDBConstruct 1–189; UniProt 1–189 Author chain JB; PDBConstruct 1–189; UniProt 1–189 Author chain K; PDBConstruct 1–189; UniProt 1–189 Author chain LA; PDBConstruct 1–189; UniProt 1–189 Author chain LB; PDBConstruct 1–189; UniProt 1–189 Author chain M; PDBConstruct 1–189; UniProt 1–189 Author chain NA; PDBConstruct 1–189; UniProt 1–189 Author chain NB; PDBConstruct 1–189; UniProt 1–189 Author chain O; PDBConstruct 1–189; UniProt 1–189 Author chain PA; PDBConstruct 1–189; UniProt 1–189 Author chain PB; PDBConstruct 1–189; UniProt 1–189 Author chain Q; PDBConstruct 1–189; UniProt 1–189 Author chain RA; PDBConstruct 1–189; UniProt 1–189 Author chain S; PDBConstruct 1–189; UniProt 1–189 Author chain TA; PDBConstruct 1–189; UniProt 1–189 Author chain V; PDBConstruct 1–189; UniProt 1–189 Author chain VA; PDBConstruct 1–189; UniProt 1–189 Author chain X; PDBConstruct 1–189; UniProt 1–189 Author chain XA; PDBConstruct 1–189; UniProt 1–189 Author chain Z; PDBConstruct 1–189; UniProt 1–189 Author chain ZA; PDBConstruct 1–189; UniProt 1–189

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

SAXS profile for 6tz5

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6tz5
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6tz5
Deposition date deposition_date2019-08-10
Structure title titleCryoEM reconstruction of membrane-bound ESCRT-III filament composed of CHMP1B+IST1 (left-handed)
Keywords keywordsmembrane remodeling, membrane-bound protein filament, ESCRT-III, LIPID BINDING PROTEIN; LIPID BINDING PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier99.18
Radius of gyration Rg (electron density) rg_electron98.05
Forward intensity I(0) i024502000000.00
Molecular weight molecular_weight1336300.0 kDa
Excluded volume excluded_volume1676000 ų
Envelope volume envelope_volume3347400 ų
Hydration-shell volume shell_volume274170 ų
Envelope diameter envelope_diameter263.2
Shell Rg shell_rg113.20
Envelope Rg envelope_rg88.83
Shape Rg shape_rg98.16
Total Rg total_rg97.77
Total atoms total_atoms93500
Residues n_residues12104
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

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

Maximum dimension Dmax dmax253.2
Rg (real space) rg_real98.19
Rg uncertainty (real space) rg_real_error1.07
I(0) (real space) i0_real2.4500e+10
I(0) uncertainty (real space) i0_real_error4.8000e+08
Rg (reciprocal space) rg_reciprocal101.80
I(0) (reciprocal space) i0_reciprocal24720000000.0000
Solution quality estimate total_estimate0.8178
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary174.1
Skewness Skewness skewness-0.248
Kurtosis Kurtosis kurtosis-0.928
Angular range angular_range— – 0.0800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1842000000.0000
Real-space data points n_real_points17
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.901; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.923; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

8. Citations (1)

9. Files and Curves (10)