3Q8J | pdb_00003q8j

Crystal Structure of Asteropsin A from Marine Sponge Asteropus sp.

PDB DOI: https://doi.org/10.2210/pdb3Q8J/pdb

Classification: TOXIN
Organism(s): Asteropus
Mutation(s): No

Deposited: 2011-01-06 Released: 2012-04-18
Deposition Author(s): Bowling, J.J., Fronczek, F.R., Hamann, M.T., Li, H., Jung, J.H.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 0.87 Å
R-Value Work:
0.087 (DCC)

wwPDB Validation 3D Report Full Report

This is version 2.1 of the entry. See complete history.

Literature

An Uncommon Crystal Structure of a Marine Knottin Peptide from Asteropus sp.

Li, H., Bowling, J.J., Fronczek, F.R., Hong, J., Hamann, M.T., Jung, J.H.

To be published.

Macromolecule Content

Total Structure Weight: 4.26 kDa
Atom Count: 302
Modeled Residue Count: 37
Deposited Residue Count: 37
Unique protein chains: 1

Macromolecules

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Asteropsin A	A	37	Asteropus	Mutation(s): 0
UniProt
Find proteins for I1SB10 (Asteropus) Explore I1SB10 Go to UniProtKB: I1SB10
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	I1SB10
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
MOH Query on MOH Download:Ideal Coordinates CCD File SDF format, chain L [auth A] SDF format, chain K [auth A] SDF format, chain J [auth A] SDF format, chain I [auth A] SDF format, chain H [auth A] SDF format, chain G [auth A] SDF format, chain F [auth A] SDF format, chain E [auth A] SDF format, chain D [auth A] SDF format, chain C [auth A] SDF format, chain B [auth A] MOL2 format, chain L [auth A] MOL2 format, chain K [auth A] MOL2 format, chain J [auth A] MOL2 format, chain I [auth A] MOL2 format, chain H [auth A] MOL2 format, chain G [auth A] MOL2 format, chain F [auth A] MOL2 format, chain E [auth A] MOL2 format, chain D [auth A] MOL2 format, chain C [auth A] MOL2 format, chain B [auth A] mmCIF format, chain L [auth A] mmCIF format, chain K [auth A] mmCIF format, chain J [auth A] mmCIF format, chain I [auth A] mmCIF format, chain H [auth A] mmCIF format, chain G [auth A] mmCIF format, chain F [auth A] mmCIF format, chain E [auth A] mmCIF format, chain D [auth A] mmCIF format, chain C [auth A] mmCIF format, chain B [auth A]	B [auth A] C [auth A] D [auth A] E [auth A] F [auth A] B [auth A], C [auth A], D [auth A], E [auth A], F [auth A], G [auth A], H [auth A], I [auth A], J [auth A], K [auth A], L [auth A]	METHANOL C H₄ O OKKJLVBELUTLKV-UHFFFAOYSA-N		Interactions Focus chain B [auth A] Focus chain C [auth A] Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth A] Focus chain G [auth A] Focus chain H [auth A] Focus chain I [auth A] Focus chain J [auth A] Focus chain K [auth A] Focus chain L [auth A] Interactions & Density Focus chain B [auth A] Focus chain C [auth A] Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth A] Focus chain G [auth A] Focus chain H [auth A] Focus chain I [auth A] Focus chain J [auth A] Focus chain K [auth A] Focus chain L [auth A]

Modified Residues 1 Unique
ID	Chains	Modified Residue	Modification Type	Formula	2D Diagram
PCA Query on PCA	A	GLN	Pyrrolidone carboxylic acid	C₅ H₇ N O₃

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 0.87 Å
R-Value Work: 0.087 (DCC)

Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 14.8028	α = 83.19
b = 18.5573	β = 84.1
c = 24.1784	γ = 68.04

Software Package:

Software Name	Purpose
SHELX	refinement
PDB_EXTRACT	data extraction
SHELXL	refinement
SHELXL-97	refinement

Structure Validation

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Entry History

Deposition Data

Released Date: 2012-04-18

Deposition Author(s):

Revision History (Full details and data files)

Version 1.0: 2012-04-18
Type: Initial release
Version 1.1: 2012-10-31
Changes: Database references
Version 1.2: 2017-11-08
Changes: Refinement description
Version 2.0: 2019-12-25
Changes: Derived calculations, Polymer sequence
Version 2.1: 2024-10-30
Changes: Data collection, Database references, Structure summary