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(-) Description

Title :  STRUCTURAL PLASTICITY IN THE EIGHT-HELIX FOLD OF A TREMATODE HEMOGLOBIN
 
Authors :  M. Milani, A. Pesce, S. Dewilde, P. Ascenzi, L. Moens, M. Bolognesi
Date :  22 Nov 01  (Deposition) - 24 Apr 02  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.85
Chains :  Asym./Biol. Unit :  A
Keywords :  Hemoglobin, Oxygen Storage/Transport Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. Milani, A. Pesce, S. Dewilde, P. Ascenzi, L. Moens, M. Bolognesi
Structural Plasticity In The Eight-Helix Fold Of A Trematode Haemoglobin.
Acta Crystallogr. , Sect. D V. 58 719 2002
PubMed-ID: 11914507  |  Reference-DOI: 10.1107/S0907444902001865
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - HEMOGLOBIN
    Chains: A
    Organism Scientific: PARAMPHISTOMUM EPICLITUM
    Organism Taxid: 54403

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 4)

Asymmetric/Biological Unit (2, 4)
No.NameCountTypeFull Name
1HEM1Ligand/IonPROTOPORPHYRIN IX CONTAINING FE
2SO43Ligand/IonSULFATE ION

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWARETHR A:3 , HIS A:5 , SER A:47 , ARG A:48 , HOH A:1041 , HOH A:1080 , HOH A:1140 , HOH A:1173BINDING SITE FOR RESIDUE SO4 A 1001
2AC2SOFTWAREHIS A:52 , SER A:60 , ASP A:61 , ASP A:125 , ALA A:126 , GLU A:127 , HOH A:1007 , HOH A:1037 , HOH A:1159BINDING SITE FOR RESIDUE SO4 A 1002
3AC3SOFTWAREHIS A:65 , ARG A:68 , HOH A:1043BINDING SITE FOR RESIDUE SO4 A 1003
4AC4SOFTWARETYR A:32 , HIS A:45 , PHE A:46 , TYR A:66 , THR A:69 , LEU A:70 , HIS A:98 , GLU A:107 , PHE A:108 , PHE A:115 , PHE A:140 , MET A:143BINDING SITE FOR RESIDUE HEM A 148

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1KFR)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1KFR)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1KFR)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1KFR)

(-) Exons   (0, 0)

(no "Exon" information available for 1KFR)

(-) 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:147
 aligned with GLB_PAREP | P80721 from UniProtKB/Swiss-Prot  Length:148

    Alignment length:147
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       
            GLB_PAREP     2 TLTKHEQDILLKELGPHVDTPAHIVETGLGAYHALFTAHPQYIIHFSRLEGHTIENVMQSEGIKHYARTLTEAIVHMLKEISNDAEVKKIAAQYGKDHTSRKVTKDEFMSGEPIFTKYFQNLVKDAEGKAAVEKFLKHVFPMMAAEI 148
               SCOP domains d1kfra_ A: Trematode hemoglobin/myoglobin                                                                                                           SCOP domains
               CATH domains 1kfrA00 A:1-147 Globins                                                                                                                             CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1kfr A   1 TLTKHEQDILLKELGPHVDTPAHIVETGLGAYHALFTAHPQYISHFSRLEGHTIENVMQSDGIKHYARTLTEAIVHMLKEISNDAEVKKIAAQYGKDHTSRKVTKDEFMSGEPIFTKYFQNLVADAEGKAAVEKFLKHVFPMMAAEI 147
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140
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  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 1)

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

(-) CATH Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Class: Mainly Alpha (13335)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1KFR)

(-) Gene Ontology  (7, 7)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (GLB_PAREP | P80721)
molecular function
    GO:0020037    heme binding    Interacting selectively and non-covalently with heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring.
    GO:0005506    iron ion binding    Interacting selectively and non-covalently with iron (Fe) ions.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0019825    oxygen binding    Interacting selectively and non-covalently with oxygen (O2).
    GO:0005344    oxygen transporter activity    Enables the directed movement of oxygen into, out of or within a cell, or between cells.
biological process
    GO:0015671    oxygen transport    The directed movement of oxygen (O2) into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0006810    transport    The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein.

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 Related Entries

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

UniProtKB/Swiss-Prot
        GLB_PAREP | P80721: 1h97

(-) Related Entries Specified in the PDB File

1h97 TREMATODE HEMOGLOBIN FROM PARAMPHISTOMUM EPICLITUM