[English] 日本語
Yorodumi
- PDB-5k7r: MicroED structure of trypsin at 1.7 A resolution -

+
Open data


ID or keywords:

Loading...

-
Basic information

Entry
Database: PDB / ID: 5k7r
TitleMicroED structure of trypsin at 1.7 A resolution
ComponentsCationic trypsin
KeywordsHYDROLASE
Function / homology
Function and homology information


trypsin / serpin family protein binding / serine protease inhibitor complex / digestion / endopeptidase activity / serine-type endopeptidase activity / proteolysis / extracellular space / metal ion binding
Similarity search - Function
: / Serine proteases, trypsin family, histidine active site / Serine proteases, trypsin family, serine active site / Serine proteases, trypsin family, histidine active site. / Peptidase S1A, chymotrypsin family / Serine proteases, trypsin family, serine active site. / Serine proteases, trypsin domain profile. / Trypsin-like serine protease / Serine proteases, trypsin domain / Trypsin ...: / Serine proteases, trypsin family, histidine active site / Serine proteases, trypsin family, serine active site / Serine proteases, trypsin family, histidine active site. / Peptidase S1A, chymotrypsin family / Serine proteases, trypsin family, serine active site. / Serine proteases, trypsin domain profile. / Trypsin-like serine protease / Serine proteases, trypsin domain / Trypsin / Trypsin-like serine proteases / Thrombin, subunit H / Peptidase S1, PA clan, chymotrypsin-like fold / Peptidase S1, PA clan / Beta Barrel / Mainly Beta
Similarity search - Domain/homology
Biological speciesBos taurus (domestic cattle)
MethodELECTRON CRYSTALLOGRAPHY / electron crystallography / cryo EM / Resolution: 1.7 Å
Authorsde la Cruz, M.J. / Hattne, J. / Shi, D. / Seidler, P. / Rodriguez, J. / Reyes, F.E. / Sawaya, M.R. / Cascio, D. / Eisenberg, D. / Gonen, T.
CitationJournal: Nat Methods / Year: 2017
Title: Atomic-resolution structures from fragmented protein crystals with the cryoEM method MicroED.
Authors: M Jason de la Cruz / Johan Hattne / Dan Shi / Paul Seidler / Jose Rodriguez / Francis E Reyes / Michael R Sawaya / Duilio Cascio / Simon C Weiss / Sun Kyung Kim / Cynthia S Hinck / Andrew P ...Authors: M Jason de la Cruz / Johan Hattne / Dan Shi / Paul Seidler / Jose Rodriguez / Francis E Reyes / Michael R Sawaya / Duilio Cascio / Simon C Weiss / Sun Kyung Kim / Cynthia S Hinck / Andrew P Hinck / Guillermo Calero / David Eisenberg / Tamir Gonen /
Abstract: Traditionally, crystallographic analysis of macromolecules has depended on large, well-ordered crystals, which often require significant effort to obtain. Even sizable crystals sometimes suffer from ...Traditionally, crystallographic analysis of macromolecules has depended on large, well-ordered crystals, which often require significant effort to obtain. Even sizable crystals sometimes suffer from pathologies that render them inappropriate for high-resolution structure determination. Here we show that fragmentation of large, imperfect crystals into microcrystals or nanocrystals can provide a simple path for high-resolution structure determination by the cryoEM method MicroED and potentially by serial femtosecond crystallography.
History
DepositionMay 26, 2016Deposition site: RCSB / Processing site: RCSB
Revision 1.0Apr 5, 2017Provider: repository / Type: Initial release
Revision 1.1Apr 12, 2017Group: Database references
Revision 1.2Jul 18, 2018Group: Data collection / Category: em_software / Item: _em_software.name
Revision 1.3Aug 22, 2018Group: Data collection / Database references / Category: pdbx_related_exp_data_set / Item: _pdbx_related_exp_data_set.data_reference
Revision 1.4Oct 9, 2024Group: Data collection / Database references ...Data collection / Database references / Refinement description / Structure summary
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / em_3d_fitting_list / em_admin / pdbx_entry_details / pdbx_initial_refinement_model / pdbx_modification_feature
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _em_3d_fitting_list.accession_code / _em_3d_fitting_list.initial_refinement_model_id / _em_3d_fitting_list.source_name / _em_3d_fitting_list.type / _em_admin.last_update

-
Structure visualization

Movie
  • Deposited structure unit
  • Imaged by Jmol
  • Download
  • Simplified surface model + fitted atomic model
  • EMDB-8220
  • Imaged by Jmol
  • Download
  • Superimposition on EM map
  • EMDB-8220
  • Imaged by UCSF Chimera
  • Download
Movie viewer
Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

-
Assembly

Deposited unit
A: Cationic trypsin
hetero molecules


Theoretical massNumber of molelcules
Total (without water)23,4043
Polymers23,3241
Non-polymers802
Water3,513195
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area170 Å2
ΔGint-21 kcal/mol
Surface area8620 Å2
MethodPISA
Unit cell
Length a, b, c (Å)53.184, 56.428, 64.672
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

-
Components

#1: Protein Cationic trypsin / Beta-trypsin


Mass: 23324.287 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Bos taurus (domestic cattle) / References: UniProt: P00760, trypsin
#2: Chemical ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Ca
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 195 / Source method: isolated from a natural source / Formula: H2O
Has protein modificationY

-
Experimental details

-
Experiment

ExperimentMethod: ELECTRON CRYSTALLOGRAPHY
EM experimentAggregation state: 3D ARRAY / 3D reconstruction method: electron crystallography

-
Sample preparation

ComponentName: Trypsin / Type: ORGANELLE OR CELLULAR COMPONENT / Entity ID: #1 / Source: NATURAL
Molecular weightValue: 0.023354 MDa / Experimental value: NO
Source (natural)Organism: Bos taurus (domestic cattle)
Buffer solutionpH: 6.5
Buffer component
IDConc.NameFormulaBuffer-ID
110 mg/mlbenzamidine1
23 mMcalcium chlorideCaCl1
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

-
Data collection

Experimental equipment
Model: Tecnai F20 / Image courtesy: FEI Company
MicroscopyModel: FEI TECNAI F20 / Date: Mar 11, 2016
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 200 kV / Illumination mode: FLOOD BEAM
Electron lensMode: DIFFRACTION
Specimen holderCryogen: NITROGEN
Image recordingAverage exposure time: 4.1 sec. / Electron dose: 0.004 e/Å2 / Film or detector model: TVIPS TEMCAM-F416 (4k x 4k) / Num. of diffraction images: 1527 / Num. of grids imaged: 3 / Num. of real images: 1527
Image scansSampling size: 0.0311999992 µm / Width: 2048 / Height: 2048
EM diffractionCamera length: 1500 mm
EM diffraction shellResolution: 1.7→1.79 Å / Fourier space coverage: 56.2 % / Multiplicity: 3.1 / Num. of structure factors: 1737 / Phase residual: 60.7 °
EM diffraction statsFourier space coverage: 73.8 % / High resolution: 1.5 Å / Num. of intensities measured: 145833 / Num. of structure factors: 23542 / Phase error: 28.86 ° / Phase residual: 40.4 ° / Phase error rejection criteria: 0 / Rmerge: 0.773 / Rsym: 0.773
ReflectionResolution: 1.5→27.63 Å / Num. all: 145833 / Num. obs: 23542 / % possible obs: 73.8 % / Redundancy: 6.2 % / Rmerge(I) obs: 0.773 / Rpim(I) all: 0.332 / Net I/σ(I): 2.3
Reflection shell
Resolution (Å)Redundancy (%)Rmerge(I) obsNum. unique allNum. unique obsRpim(I) allNet I/σ(I) obs% possible all
1.5-1.531.43.6324022813.240.318.2
8.22-27.637.40.2116092170.0787.694.2

-
Processing

SoftwareName: PHENIX / Version: (1.10_2155: ???) / Classification: refinement
EM software
IDNameVersionCategoryDetails
1EM-Menu4.0.9.75image acquisition
5iMosflm/MOSFLM7.2.1diffraction indexing
6MOLREP11.4.05model fitting
8PHENIX1.10_2155model refinement
9MOLREP11.4.05molecular replacementStarting model PDB ID 2ptn
11POINTLESS1.10.21symmetry determination
12AIMLESS0.5.25crystallography merging
EM 3D crystal entity∠α: 90 ° / ∠β: 90 ° / ∠γ: 90 ° / A: 53.12 Å / B: 56.08 Å / C: 64.38 Å / Space group name: P212121 / Space group num: 19
CTF correctionType: NONE
3D reconstructionResolution: 1.7 Å / Resolution method: DIFFRACTION PATTERN/LAYERLINES / Symmetry type: 3D CRYSTAL
Atomic model buildingProtocol: OTHER / Space: RECIPROCAL
Atomic model buildingPDB-ID: 2PTN

2ptn


Pdb chain-ID: A / Accession code: 2PTN / Pdb chain residue range: 16-245 / Source name: PDB / Type: experimental model
RefinementResolution: 1.7→25.86 Å / SU ML: 0.33 / Cross valid method: FREE R-VALUE / σ(F): 1.33 / Phase error: 28.86
RfactorNum. reflection% reflection
Rfree0.2811 919 4.77 %
Rwork0.2479 --
obs0.2495 19277 87.5 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON CRYSTALLOGRAPHYf_bond_d0.0051666
ELECTRON CRYSTALLOGRAPHYf_angle_d0.7392264
ELECTRON CRYSTALLOGRAPHYf_dihedral_angle_d12.1151000
ELECTRON CRYSTALLOGRAPHYf_chiral_restr0.049254
ELECTRON CRYSTALLOGRAPHYf_plane_restr0.004289
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
1.7001-1.78970.4237690.38721668ELECTRON CRYSTALLOGRAPHY56
1.7897-1.90180.43461110.36212261ELECTRON CRYSTALLOGRAPHY76
1.9018-2.04860.36061260.31652671ELECTRON CRYSTALLOGRAPHY90
2.0486-2.25460.33861410.26912884ELECTRON CRYSTALLOGRAPHY97
2.2546-2.58060.27151680.24292893ELECTRON CRYSTALLOGRAPHY97
2.5806-3.25030.23521730.21542916ELECTRON CRYSTALLOGRAPHY97
3.2503-25.86340.18041310.16643065ELECTRON CRYSTALLOGRAPHY97

+
About Yorodumi

-
News

-
Feb 9, 2022. New format data for meta-information of EMDB entries

New format data for meta-information of EMDB entries

  • Version 3 of the EMDB header file is now the official format.
  • The previous official version 1.9 will be removed from the archive.

Related info.:EMDB header

External links:wwPDB to switch to version 3 of the EMDB data model

-
Aug 12, 2020. Covid-19 info

Covid-19 info

URL: https://pdbj.org/emnavi/covid19.php

New page: Covid-19 featured information page in EM Navigator.

Related info.:Covid-19 info / Mar 5, 2020. Novel coronavirus structure data

+
Mar 5, 2020. Novel coronavirus structure data

Novel coronavirus structure data

Related info.:Yorodumi Speices / Aug 12, 2020. Covid-19 info

External links:COVID-19 featured content - PDBj / Molecule of the Month (242)：Coronavirus Proteases

+
Jan 31, 2019. EMDB accession codes are about to change! (news from PDBe EMDB page)

EMDB accession codes are about to change! (news from PDBe EMDB page)

  • The allocation of 4 digits for EMDB accession codes will soon come to an end. Whilst these codes will remain in use, new EMDB accession codes will include an additional digit and will expand incrementally as the available range of codes is exhausted. The current 4-digit format prefixed with “EMD-” (i.e. EMD-XXXX) will advance to a 5-digit format (i.e. EMD-XXXXX), and so on. It is currently estimated that the 4-digit codes will be depleted around Spring 2019, at which point the 5-digit format will come into force.
  • The EM Navigator/Yorodumi systems omit the EMD- prefix.

Related info.:Q: What is EMD? / ID/Accession-code notation in Yorodumi/EM Navigator

External links:EMDB Accession Codes are Changing Soon! / Contact to PDBj

+
Jul 12, 2017. Major update of PDB

Major update of PDB

  • wwPDB released updated PDB data conforming to the new PDBx/mmCIF dictionary.
  • This is a major update changing the version number from 4 to 5, and with Remediation, in which all the entries are updated.
  • In this update, many items about electron microscopy experimental information are reorganized (e.g. em_software).
  • Now, EM Navigator and Yorodumi are based on the updated data.

External links:wwPDB Remediation / Enriched Model Files Conforming to OneDep Data Standards Now Available in the PDB FTP Archive

-
Yorodumi

Thousand views of thousand structures

  • Yorodumi is a browser for structure data from EMDB, PDB, SASBDB, etc.
  • This page is also the successor to EM Navigator detail page, and also detail information page/front-end page for Omokage search.
  • The word "yorodu" (or yorozu) is an old Japanese word meaning "ten thousand". "mi" (miru) is to see.

Related info.:EMDB / PDB / SASBDB / Comparison of 3 databanks / Yorodumi Search / Aug 31, 2016. New EM Navigator & Yorodumi / Yorodumi Papers / Jmol/JSmol / Function and homology information / Changes in new EM Navigator and Yorodumi

Read more