7ULG | pdb_00007ulg

recombinant alpha cobra toxin

PDB DOI: https://doi.org/10.2210/pdb7ULG/pdb

Classification: BIOSYNTHETIC PROTEIN
Organism(s): Naja kaouthia
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2022-04-04 Released: 2023-05-03
Deposition Author(s): Xu, J., Lei, X., Chen, L.
Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.57 Å
R-Value Free:
0.181 (Depositor), 0.184 (DCC)
R-Value Work:
0.169 (Depositor), 0.174 (DCC)
R-Value Observed:
0.170 (Depositor)

Starting Models: experimental
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wwPDB Validation 3D Report Full Report

Validation slider image for 7ULG

This is version 1.2 of the entry. See complete history.

Literature

Structure of recombinant alpha cobra toxin at 1.57 Angstroms

Xu, J., Lei, X., Chen, L.

To be published.

Macromolecule Content

Total Structure Weight: 32.19 kDa
Atom Count: 2,473
Modeled Residue Count: 272
Deposited Residue Count: 288
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Alpha-cobratoxin	A, B, C, D	72	Naja kaouthia	Mutation(s): 0
UniProt
Find proteins for P01391 (Naja kaouthia) Explore P01391 Go to UniProtKB: P01391
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P01391
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
EPE Query on EPE Download:Ideal Coordinates CCD File SDF format, chain E [auth B] MOL2 format, chain E [auth B] mmCIF format, chain E [auth B]	E [auth B]	4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID C₈ H₁₈ N₂ O₄ S JKMHFZQWWAIEOD-UHFFFAOYSA-N		Interactions Focus chain E [auth B] Interactions & Density Focus chain E [auth B]
ACT Query on ACT Download:Ideal Coordinates CCD File SDF format, chain F [auth C] MOL2 format, chain F [auth C] mmCIF format, chain F [auth C]	F [auth C]	ACETATE ION C₂ H₃ O₂ QTBSBXVTEAMEQO-UHFFFAOYSA-M		Interactions Focus chain F [auth C] Interactions & Density Focus chain F [auth C]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.57 Å
R-Value Free: 0.181 (Depositor), 0.184 (DCC)
R-Value Work: 0.169 (Depositor), 0.174 (DCC)
R-Value Observed: 0.170 (Depositor)

Space Group: P 3 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 73.969	α = 90
b = 73.969	β = 90
c = 110.841	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
iMOSFLM	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

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View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2023-05-03

Deposition Author(s):

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	R01GM064642

Revision History (Full details and data files)

Version 1.0: 2023-05-03
Type: Initial release
Version 1.1: 2023-10-25
Changes: Data collection, Refinement description
Version 1.2: 2024-11-20
Changes: Structure summary

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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.