Crystal structure of apo PsS1_19B

Experimental Data Snapshot

  • Resolution: 2.50 Å
  • R-Value Free: 0.273 
  • R-Value Work: 0.238 
  • R-Value Observed: 0.239 

wwPDB Validation   3D Report Full Report

This is version 1.3 of the entry. See complete history


Insights into the kappa / iota-carrageenan metabolism pathway of some marinePseudoalteromonasspecies.

Hettle, A.G.Hobbs, J.K.Pluvinage, B.Vickers, C.Abe, K.T.Salama-Alber, O.McGuire, B.E.Hehemann, J.H.Hui, J.P.M.Berrue, F.Banskota, A.Zhang, J.Bottos, E.M.Van Hamme, J.Boraston, A.B.

(2019) Commun Biol 2: 474-474

  • DOI: https://doi.org/10.1038/s42003-019-0721-y
  • Primary Citation of Related Structures:  
    6PNU, 6POP, 6PRM, 6PSM, 6PSO, 6PT4, 6PT6, 6PT9, 6PTK, 6PTM

  • PubMed Abstract: 

    Pseudoalteromonas is a globally distributed marine-associated genus that can be found in a broad range of aquatic environments, including in association with macroalgal surfaces where they may take advantage of these rich sources of polysaccharides. The metabolic systems that confer the ability to metabolize this abundant form of photosynthetically fixed carbon, however, are not yet fully understood. Through genomics, transcriptomics, microbiology, and specific structure-function studies of pathway components we address the capacity of newly isolated marine pseudoalteromonads to metabolize the red algal galactan carrageenan. The results reveal that the κ/ι-carrageenan specific polysaccharide utilization locus (CarPUL) enables isolates possessing this locus the ability to grow on this substrate. Biochemical and structural analysis of the enzymatic components of the CarPUL promoted the development of a detailed model of the κ/ι-carrageenan metabolic pathway deployed by pseudoalteromonads, thus furthering our understanding of how these microbes have adapted to a unique environmental niche.

  • Organizational Affiliation

    1Department of Biochemistry and Microbiology, University of Victoria, PO Box 1700 STN CSC, Victoria, British Columbia V8W 2Y2 Canada.

Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
exo-4S-kappa carrageenan S1 sulfatase
A, B, C, D
469Pseudoalteromonas fuligineaMutation(s): 0 
Gene Names: EU509_08890
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
Sequence Annotations
  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Resolution: 2.50 Å
  • R-Value Free: 0.273 
  • R-Value Work: 0.238 
  • R-Value Observed: 0.239 
  • Space Group: P 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 48.51α = 82.22
b = 88.58β = 79.85
c = 106.6γ = 84.2
Software Package:
Software NamePurpose
MOSFLMdata reduction
SCALAdata scaling
PDB_EXTRACTdata extraction

Structure Validation

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Entry History & Funding Information

Deposition Data

Funding OrganizationLocationGrant Number
Natural Sciences and Engineering Research Council (NSERC, Canada)Canada--

Revision History  (Full details and data files)

  • Version 1.0: 2019-09-25
    Type: Initial release
  • Version 1.1: 2020-01-08
    Changes: Author supporting evidence
  • Version 1.2: 2020-01-15
    Changes: Database references
  • Version 1.3: 2023-10-11
    Changes: Data collection, Database references, Refinement description