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(-) Description

Title :  THE E-CONFIGURATION OF ALFA-PHYCOERYTHROCYANIN
 
Authors :  M. Schmidt, A. Patel, Y. Zhao, W. Reuter
Date :  02 Nov 06  (Deposition) - 23 Jan 07  (Release) - 25 Jul 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.25
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Electron Transport, Z- To E-Isomerization, Transport, Chromophore, Bile Pigment, Phycobilisome, Photosynthesis, Light Harvesting, Phycobiliproteins (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. Schmidt, A. Patel, Y. Zhao, W. Reuter
Structural Basis For The Photochemistry Of Alfa- Phycoerythrocyanin
Biochemistry V. 46 416 2007
PubMed-ID: 17209552  |  Reference-DOI: 10.1021/BI061844J

(-) Compounds

Molecule 1 - PHYCOERYTHROCYANIN ALPHA CHAIN
    Chains: A, B
    Organism Scientific: MASTIGOCLADUS LAMINOSUS
    Organism Taxid: 83541
    Other Details: PHYCOVIOLOBILIN CHROMOPHORE ATTACHED TO CYS84 AND REFINED AS A WHOLE
    Synonym: PHYCOERYTHROCYANIN

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

Asymmetric/Biological Unit (1, 2)
No.NameCountTypeFull Name
1PVN2Ligand/IonPHYCOVIOLOBILIN

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREVAL A:59 , THR A:66 , PRO A:72 , GLN A:73 , TYR A:74 , ALA A:75 , LYS A:83 , CYS A:84 , ASP A:87 , TYR A:91 , ASN A:119 , LEU A:124 , TRP A:128 , TYR A:129 , HOH A:2162 , HOH A:2163 , HOH A:2164 , HOH A:2165 , TYR B:65 , TYR B:74 , SER B:125 , PRO B:126BINDING SITE FOR RESIDUE PVN A1163
2AC2SOFTWARETYR A:65 , TYR A:74 , SER A:125 , TRP A:128 , THR B:66 , PRO B:72 , GLN B:73 , TYR B:74 , ALA B:75 , LYS B:83 , CYS B:84 , ASP B:87 , TYR B:91 , PHE B:118 , ASN B:119 , LEU B:124 , TRP B:128 , TYR B:129BINDING SITE FOR RESIDUE PVN B1163

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2J96)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2J96)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2J96)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2J96)

(-) Exons   (0, 0)

(no "Exon" information available for 2J96)

(-) Sequences/Alignments

Asymmetric/Biological Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it) 
Chain A from PDB  Type:PROTEIN  Length:162
 aligned with PHEA_MASLA | P00309 from UniProtKB/Swiss-Prot  Length:162

    Alignment length:162
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160  
           PHEA_MASLA     1 MKTPLTEAIAAADLRGSYLSNTELQAVFGRFNRARAGLEAARAFANNGKKWAEAAANHVYQKFPYTTQMQGPQYASTPEGKAKCVRDIDHYLRTISYCCVVGGTGPLDDYVVAGLKEFNSALGLSPSWYIAALEFVRDNHGLTGDVAGEANTYINYAINALS 162
               SCOP domains d2j96a_ A: automated matches                                                                                                                                       SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhh.hhhhhhhhhhhhhhhhhh.hhhhhhhh..hhhhhh.....hhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2j96 A   1 MKTPLTEAIAAADLRGSYLSNTELQAVFGRFNRARAGLEAARAFANNGKKWAEAAANHVYQKFPYTTQMQGPQYASTPEGKAKCVRDIDHYLRTISYCCVVGGTGPLDDYVVAGLKEFNSALGLSPSWYIAALEFVRDNHGLTGDVAGEANTYINYAINALS 162
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160  


Chain B from PDB  Type:PROTEIN  Length:162
 aligned with PHEA_MASLA | P00309 from UniProtKB/Swiss-Prot  Length:162

    Alignment length:162
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160  
           PHEA_MASLA     1 MKTPLTEAIAAADLRGSYLSNTELQAVFGRFNRARAGLEAARAFANNGKKWAEAAANHVYQKFPYTTQMQGPQYASTPEGKAKCVRDIDHYLRTISYCCVVGGTGPLDDYVVAGLKEFNSALGLSPSWYIAALEFVRDNHGLTGDVAGEANTYINYAINALS 162
               SCOP domains d2j96b_ B: automated matches                                                                                                                                       SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhh....hhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.......hhhhhhh.hhhhhhhhhhhhhhhhhh.hhhhhh....hhhhhhhhh..hhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2j96 B   1 MKTPLTEAIAAADLRGSYLSNTELQAVFGRFNRARAGLEAARAFANNGKKWAEAAANHVYQKFPYTTQMQGPQYASTPEGKAKCVRDIDHYLRTISYCCVVGGTGPLDDYVVAGLKEFNSALGLSPSWYIAALEFVRDNHGLTGDVAGEANTYINYAINALS 162
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Class: All alpha proteins (14657)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2J96)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2J96)

(-) Gene Ontology  (7, 7)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (PHEA_MASLA | P00309)
biological process
    GO:0055114    oxidation-reduction process    A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons.
    GO:0015979    photosynthesis    The synthesis by organisms of organic chemical compounds, especially carbohydrates, from carbon dioxide (CO2) using energy obtained from light rather than from the oxidation of chemical compounds.
    GO:0018298    protein-chromophore linkage    The covalent or noncovalent attachment of a chromophore to a protein.
cellular component
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0030089    phycobilisome    Any of the granules, approximately 32 nm x 48 nm and consisting of highly aggregated phycobiliproteins, that are attached in arrays to the external face of a thylakoid membrane in algae of the phyla Cyanophyta and Rhodophyta, where they function as light-harvesting devices in photosynthesis. Excitation energy in the phycobilisome flows in the sequence: phycoerythrin, phycocyanin, allophycocyanin before passing to the antenna chlorophyll of photosystem II.
    GO:0009579    thylakoid    A membranous cellular structure that bears the photosynthetic pigments in plants, algae, and cyanobacteria. In cyanobacteria thylakoids are of various shapes and are attached to, or continuous with, the plasma membrane. In eukaryotes they are flattened, membrane-bounded disk-like structures located in the chloroplasts; in the chloroplasts of higher plants the thylakoids form dense stacks called grana. Isolated thylakoid preparations can carry out photosynthetic electron transport and the associated phosphorylation.
    GO:0042651    thylakoid membrane    The pigmented membrane of any thylakoid.

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  2j96
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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        PHEA_MASLA | P00309: 2c7j 2c7k 2c7l

(-) Related Entries Specified in the PDB File

2c7j PHYCOERYTHROCYANIN FROM MASTIGOCLADUS LAMINOSUS, 295 K, 3.0 A
2c7k LAUE STRUCTURE OF PHYCOERYHTROCYANIN FROM MASTIGOCLADUS LAMINOSUS
2c7l LOW TEMPERATURE STRUCTURE OF PHYCOERYTHROCYANIN FROM MASTIGOCLADUS LAMINOSUS