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(-) Description

Title :  STRUCTURE DETERMINATION OF HAEMOGLOBIN FROM DONKEY(EQUUS ASINUS) AT 3.0 ANGSTROM RESOLUTION
 
Authors :  D. Balasundaresan, M. N. Ponnuswamy, K. Saraboji
Date :  31 Dec 03  (Deposition) - 01 Feb 05  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  3.00
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A,B  (2x)
Keywords :  Alpha Helix, Dimer, Oxygen Storage/Transport Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  D. Balasundaresan, K. Saraboji, M. N. Ponnuswamy
Crystal Structure Of Haemoglobin From Donkey (Equus Asinus) At 3A Resolution
Biochimie V. 88 719 2006
PubMed-ID: 16488065  |  Reference-DOI: 10.1016/J.BIOCHI.2006.01.001
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - HEMOGLOBIN ALPHA CHAIN
    Cell: ERYTHROCYTES
    Chains: A
    Organism Common: ASS
    Organism Scientific: EQUUS ASINUS
    Organism Taxid: 9793
 
Molecule 2 - HEMOGLOBIN BETA CHAIN
    Cell: ERYTHROCYTES
    Chains: B
    Organism Common: ASS
    Organism Scientific: EQUUS ASINUS
    Organism Taxid: 9793

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (2x): AB

Summary Information (see also Sequences/Alignments below)

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

Asymmetric Unit (1, 2)
No.NameCountTypeFull Name
1HEM2Ligand/IonPROTOPORPHYRIN IX CONTAINING FE
Biological Unit 1 (1, 4)
No.NameCountTypeFull Name
1HEM4Ligand/IonPROTOPORPHYRIN IX CONTAINING FE

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWARETYR A:42 , PHE A:43 , HIS A:45 , LYS A:61 , ALA A:65 , LEU A:83 , LEU A:86 , HIS A:87 , LEU A:91 , VAL A:93 , ASN A:97 , PHE A:98 , LEU A:136BINDING SITE FOR RESIDUE HEM A 142
2AC2SOFTWARETHR B:38 , PHE B:41 , PHE B:42 , HIS B:63 , SER B:70 , PHE B:85 , LEU B:88 , LEU B:91 , HIS B:92 , LEU B:96 , PHE B:103 , LEU B:141BINDING SITE FOR RESIDUE HEM B 147

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1S0H)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1S0H)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1S0H)

(-) PROSITE Motifs  (1, 1)

Asymmetric Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1GLOBINPS01033 Globin family profile.HBA_EQUAS3-142  1A:2-141
Biological Unit 1 (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1GLOBINPS01033 Globin family profile.HBA_EQUAS3-142  2A:2-141

(-) Exons   (0, 0)

(no "Exon" information available for 1S0H)

(-) Sequences/Alignments

Asymmetric Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
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  UniProt sequence: complete  aligned part    
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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:141
 aligned with HBA_EQUAS | P01959 from UniProtKB/Swiss-Prot  Length:142

    Alignment length:141
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141 
            HBA_EQUAS     2 VLSAADKTNVKAAWSKVGGNAGEFGAEALERMFLGFPTTKTYFPHFDLSHGSAQVKAHGKKVGDALTLAVGHLDDLPGALSNLSDLHAHKLRVDPVNFKLLSHCLLSTLAVHLPNDFTPAVHASLDKFLSTVSTVLTSKYR 142
               SCOP domains d1s0ha1 A:1-141 Hemoglobin, alpha-chain                                                                                                       SCOP domains
               CATH domains 1s0hA00 A:1-141 Globins                                                                                                                       CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhh........hhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -GLOBIN  PDB: A:2-141 UniProt: 3-142                                                                                                          PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1s0h A   1 VLSAADKTNVKAAWSKVGGNAGEFGAEALERMFLGFPTTKTYFPHFDLSHGSAQVKAHGKKVGDALTLAVGHLDDLPGALSNLSDLHAHKLRVDPVNFKLLSHCLLSTLAVHLPNDFTPAVHASLDKFLSSVSTVLTSKYR 141
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140 


Chain B from PDB  Type:PROTEIN  Length:146
 aligned with D1MPT0_EQUAS | D1MPT0 from UniProtKB/TrEMBL  Length:146

    Alignment length:146
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140      
         D1MPT0_EQUAS     1 VQLSGEEKAAVLALWDKVNEEEVGGEALGRLLVVYPWTQRFFDSFGDLSNPGAVMGNPKVKAHGKKVLHSFGEGVHHLDNLKGTFAALSELHCDKLHVDPENFRLLGNVLVVVLARHFGKDFTPELQASYQKVVAGVANALAHKYH 146
               SCOP domains d1s0hb1 B:1-146 Hemoglobin, beta-chain                                                                                                             SCOP domains
               CATH domains 1s0hB00 B:1-146 Globins                                                                                                                            CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1s0h B   1 VQLSGEEKAAVLALWDKVNEEEVGGEALGRLLVVYPWTQRFFDSFGDLSNPGAVMGNPKVKAHGKKVLHSFGEGVHHLDNLKGTFAALSELHCDKLHVDPENFRLLGNVLVVVLARHFGKDFTPELQASYQKVVAGVANALAHKYH 146
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
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  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  (2, 2)

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

(-) CATH Domains  (1, 2)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1S0H)

(-) Gene Ontology  (8, 16)

Asymmetric Unit(hide GO term definitions)
Chain A   (HBA_EQUAS | P01959)
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.
cellular component
    GO:0005833    hemoglobin complex    An iron-containing, oxygen carrying complex. In vertebrates it is made up of two pairs of associated globin polypeptide chains, each chain carrying a noncovalently bound heme prosthetic group.

Chain B   (D1MPT0_EQUAS | D1MPT0)
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.
cellular component
    GO:0005833    hemoglobin complex    An iron-containing, oxygen carrying complex. In vertebrates it is made up of two pairs of associated globin polypeptide chains, each chain carrying a noncovalently bound heme prosthetic group.

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