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The crystal structure of Allophycocyanin from the red algae Gracilaria chilensis

X-ray diffraction
2.3Å resolution
PDB entry 5tjf coloured by chain, front view.
PDB entry 5tjf coloured by chain, side view.
PDB entry 5tjf coloured by chain, top view.
Source organism: Agarophyton chilense
Assembly composition:
hetero hexamer (preferred)
Entry contents: 2 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Allophycocyanin alpha subunit and Allophycocyanin beta subunit
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Multimeric state: hetero hexamer
Accessible surface area: 38742.93 Å2
Buried surface area: 31553.77 Å2
Dissociation area: 3,000.52 Å2
Dissociation energy (ΔGdiss): 34.22 kcal/mol
Dissociation entropy (TΔSdiss): 28.79 kcal/mol
Symmetry number: 3
PDBe Complex ID: PDB-CPX-103001

Macromolecules

Allophycocyanin alpha subunit
Chain: A
Length: 160 amino acids
Theoretical weight: 17.4 KDa
Source organism: Agarophyton chilense
UniProt:
  • Canonical: A0A141SEH2 (Residues: 2-161; Coverage: 99%)
Gene names: Gchil_028, apcA
Pfam: Phycobilisome protein
InterPro:
CATH: Phycocyanins
Allophycocyanin alpha subunit in PDB entry 5tjf, assembly 1, front view.
Allophycocyanin alpha subunit in PDB entry 5tjf, assembly 1, side view.
Allophycocyanin alpha subunit in PDB entry 5tjf, assembly 1, top view.
PDBe-KB: UniProt Coverage View: A0A141SEH2  
116020406080100120140160
 
50100150SIITKSIVNADAEARYLSPGELDRIKSFVLSGQRRLRIAQILTDNRELIVKQGGQQLFQKRPDVVSPGGNAYGEEMTATCLRDLDYYLRLVTYGIVAGDVTPIEEIGLVGVKEMYNSLGTPISGVAEGVRSMKNVACSLLAGEDSAEAGFYFDYTLGAMQ
UniProt
A0A141SEH2
Chains
Domains
Secondary structure
Flexibility predictions
Early folding residue predictions
Ligand binding sites
Interaction interfaces
Sequence conservation
Molecule details ›

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Allophycocyanin beta subunit
Chain: B
Length: 161 amino acids
Theoretical weight: 17.5 KDa
Source organism: Agarophyton chilense
UniProt:
  • Canonical: A0A141SEH3 (Residues: 1-161; Coverage: 100%)
Gene names: Gchil_029, apcB
Pfam: Phycobilisome protein
InterPro:
CATH: Phycocyanins
Allophycocyanin beta subunit in PDB entry 5tjf, assembly 1, front view.
Allophycocyanin beta subunit in PDB entry 5tjf, assembly 1, side view.
Allophycocyanin beta subunit in PDB entry 5tjf, assembly 1, top view.
PDBe-KB: UniProt Coverage View: A0A141SEH3  
116120406080100120140160
 
50100150MQDAITSVINAADVQGRYLDDNSLDKLRGYFQTGELRVRASATIAANAATIIKDSVAKALLYSDITRPGG*MYTTRRYAACIRDLDYYLRYATYGMLAGDPSILDERVLNGLKETYNSLGVPIGATIQAVQAMKEVTSSLVGPDAGKEMGVYFDYICSGLS
UniProt
A0A141SEH3
Chains
Domains
Secondary structure
Flexibility predictions
Early folding residue predictions
Ligand binding sites
Interaction interfaces
Sequence conservation
Molecule details ›

Search similar proteins

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