7EK8 | pdb_00007ek8

Crystal structure of apo streptavidin at ambient temperature

PDB DOI: https://doi.org/10.2210/pdb7EK8/pdb

Classification: STRUCTURAL PROTEIN
Organism(s): Streptomyces avidinii
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2021-04-04 Released: 2021-09-29
Deposition Author(s): DeMirci, H., Ertem, F.B., Destan, E., Ayan, E.
Funding Organization(s): National Science Foundation (NSF, United States), Other government

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.70 Å
R-Value Free:
0.224 (Depositor), 0.228 (DCC)
R-Value Work:
0.190 (Depositor), 0.197 (DCC)
R-Value Observed:
0.192 (Depositor)

wwPDB Validation 3D Report Full Report

Validation slider image for 7EK8

This is version 1.1 of the entry. See complete history.

Literature

Crystal structure of apo streptavidin at ambient temperature

DeMirci, H., Ertem, F.B., Destan, E., Ayan, E.

To be published.

Macromolecule Content

Total Structure Weight: 51.92 kDa
Atom Count: 4,166
Modeled Residue Count: 482
Deposited Residue Count: 492
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Streptavidin	A, B, C, D	123	Streptomyces avidinii	Mutation(s): 0
UniProt
Find proteins for P22629 (Streptomyces avidinii) Explore P22629 Go to UniProtKB: P22629
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P22629
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.70 Å
R-Value Free: 0.224 (Depositor), 0.228 (DCC)
R-Value Work: 0.190 (Depositor), 0.197 (DCC)
R-Value Observed: 0.192 (Depositor)

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 47.4	α = 90
b = 87.7	β = 98.9
c = 58.9	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data scaling
PHENIX	refinement
PDB_EXTRACT	data extraction
CrystFEL	data reduction
PHENIX	phasing

Structure Validation

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Entry History

& Funding Information

Deposition Data

Released Date: 2021-09-29

Deposition Author(s):

Funding Organization	Location	Grant Number
National Science Foundation (NSF, United States)	United States	NSF-1231306
Other government	Turkey	120Z594

Revision History (Full details and data files)

Version 1.0: 2021-09-29
Type: Initial release
Version 1.1: 2024-05-29
Changes: Data collection

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.