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(-) Description

Title :  1.8 ANGSTROMS CRYSTAL STRUCTURE OF THE C-TERMINAL DOMAIN OF RABBIT SERUM HEMOPEXIN
 
Authors :  H. R. Faber, E. N. Baker
Date :  01 Jun 95  (Deposition) - 15 Oct 95  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.80
Chains :  Asym./Biol. Unit :  A
Keywords :  Heme, Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  H. R. Faber, C. R. Groom, H. M. Baker, W. T. Morgan, A. Smith, E. N. Baker
1. 8 A Crystal Structure Of The C-Terminal Domain Of Rabbit Serum Haemopexin.
Structure V. 3 551 1995
PubMed-ID: 8590016  |  Reference-DOI: 10.1016/S0969-2126(01)00189-7
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - HEMOPEXIN
    Chains: A
    Organism Common: RABBIT
    Organism Scientific: ORYCTOLAGUS CUNICULUS
    Organism Taxid: 9986
    Synonym: HPX
    Tissue: SERUM

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 4)

Asymmetric/Biological Unit (3, 4)
No.NameCountTypeFull Name
1CL1Ligand/IonCHLORIDE ION
2NA2Ligand/IonSODIUM ION
3PO41Ligand/IonPHOSPHATE ION

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWARENA A:2 , MET A:238 , SER A:240 , ALA A:283 , PHE A:284 , SER A:285 , PHE A:336 , VAL A:337 , LEU A:379 , CYS A:380BINDING SITE FOR RESIDUE PO4 A 1
2AC2SOFTWAREPO4 A:1 , CL A:3 , MET A:238 , ALA A:283 , ALA A:335 , ALA A:378BINDING SITE FOR RESIDUE NA A 2
3AC3SOFTWARENA A:2 , MET A:238 , ALA A:283 , ALA A:335 , ALA A:378BINDING SITE FOR RESIDUE CL A 3
4AC4SOFTWAREHOH A:102 , SER A:236 , ASP A:281 , ASP A:333 , ASP A:376BINDING SITE FOR RESIDUE NA A 4

(-) SS Bonds  (3, 3)

Asymmetric/Biological Unit
No.Residues
1A:229 -A:432
2A:338 -A:380
3A:390 -A:407

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Tyr A:313 -Pro A:314

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (2, 5)

Asymmetric/Biological Unit (2, 5)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1HEMOPEXIN_2PS51642 Hemopexin repeat profile.HEMO_RABIT55-95
96-141
187-233
142-186
257-302
303-350
355-394
398-448		  4-
-
-
-
A:231-276
A:277-324
A:329-368
A:372-422
2HEMOPEXINPS00024 Hemopexin domain signature.HEMO_RABIT295-310  1A:269-284

(-) Exons   (0, 0)

(no "Exon" information available for 1HXN)

(-) 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:210
 aligned with HEMO_RABIT | P20058 from UniProtKB/Swiss-Prot  Length:460

    Alignment length:210
                                   260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460
           HEMO_RABIT   251 ESTRCDPDLVLSAMVSDNHGATYVFSGSHYWRLDTNRDGWHSWPIAHQWPQGPSTVDAAFSWEDKLYLIQDTKVYVFLTKGGYTLVNGYPKRLEKELGSPPVISLEAVDAAFVCPGSSRLHIMAGRRLWWLDLKSGAQATWTELPWPHEKVDGALCMEKPLGPNSCSTSGPNLYLIHGPNLYCYRHVDKLNAAKNLPQPQRVSRLLGCTH 460
               SCOP domains d1hxna_ A: Hemopexin                                                                                                                                                                                               SCOP domains
               CATH domains 1hxnA00 A:225-434 Hemopexin                                                                                                                                                                                        CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..hhh.......eeee.....eeeee..eeee............hhh..........eeeee..eeeeee..eeeeee..............hhhhh............eee......eeeeee..eeeeeehhhhhh...eee........eeeee..............eeeeee..eeeee..hhhhhh.........hhhh..... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                PROSITE (1) ------HEMOPEXIN_2  PDB: A:231-276 UniProt: 257-302  HEMOPEXIN_2  PDB: A:277-324 UniProt: 303-350    ----HEMOPEXIN_2  PDB: A:329-368             ---HEMOPEXIN_2  PDB: A:372-422 UniProt: 398-448       ------------ PROSITE (1)
                PROSITE (2) --------------------------------------------HEMOPEXIN       ------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1hxn A 225 ESTRCDPDLVLSAMVSDNHGATYVFSGSHYWRLDTNRDGWHSWPIAHQWPQGPSTVDAAFSWEDKLYLIQDTKVYVFLTKGGYTLVNGYPKRLEKELGSPPVISLEAVDAAFVCPGSSRLHIMAGRRLWWLDLKSGAQATWTELPWPHEKVDGALCMEKPLGPNSCSTSGPNLYLIHGPNLYCYRHVDKLNAAKNLPQPQRVSRLLGCTH 434
                                   234       244       254       264       274       284       294       304       314       324       334       344       354       364       374       384       394       404       414       424       434
   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, 1)

Asymmetric/Biological Unit
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (8, 8)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (HEMO_RABIT | P20058)
molecular function
    GO:0020037    heme binding    Interacting selectively and non-covalently with heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring.
    GO:0015232    heme transporter activity    Enables the directed movement of heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring, into, out of or within a cell, or between cells.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
biological process
    GO:0006879    cellular iron ion homeostasis    Any process involved in the maintenance of an internal steady state of iron ions at the level of a cell.
    GO:0015886    heme transport    The directed movement of heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring, 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:0005623    cell    The basic structural and functional unit of all organisms. Includes the plasma membrane and any external encapsulating structures such as the cell wall and cell envelope.
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.

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 Related Entries

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

UniProtKB/Swiss-Prot
        HEMO_RABIT | P20058: 1qhu 1qjs 4rt6

(-) Related Entries Specified in the PDB File

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