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(-) Description

Title :  CRYSTAL STRUCTURE OF THE INSECT IMMUNE PROTEIN HEMOLIN: A NEW DOMAIN ARRANGEMENT WITH IMPLICATIONS FOR HOMOPHILIC ADHESION
 
Authors :  X. -D. Su, L. N. Gastinel, D. E. Vaughn, I. Faye, P. Poon, P. J. Bjorkman
Date :  17 Jun 98  (Deposition) - 14 Oct 98  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  3.10
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Insect Immunity, Lps-Binding, Homophilic Adhesion (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  X. D. Su, L. N. Gastinel, D. E. Vaughn, I. Faye, P. Poon, P. J. Bjorkman
Crystal Structure Of Hemolin: A Horseshoe Shape With Implications For Homophilic Adhesion.
Science V. 281 991 1998
PubMed-ID: 9703515  |  Reference-DOI: 10.1126/SCIENCE.281.5379.991
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - HEMOLIN
    Cellular Location: HEMOLYMPH
    Cell Line: SF9 OR TN-5
    Chains: A, B
    Engineered: YES
    Expression System: SPODOPTERA FRUGIPERDA
    Expression System Cell Line: SF9 OR TN-5
    Expression System Common: FALL ARMYWORM
    Expression System Strain: SF9
    Expression System Taxid: 7108
    Expression System Vector: BACULOVIRUS
    Organism Common: CECROPIA MOTH
    Organism Scientific: HYALOPHORA CECROPIA
    Organism Taxid: 7123

 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
1PO42Ligand/IonPHOSPHATE ION

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG A:153 , TYR A:243 , HIS A:264 , ASN A:265 , ARG A:266 , THR A:267 , SER A:268 , GLN A:313BINDING SITE FOR RESIDUE PO4 A 396
2AC2SOFTWARELYS A:251 , ARG B:153 , TYR B:243 , HIS B:264 , ASN B:265 , ARG B:266BINDING SITE FOR RESIDUE PO4 B 396

(-) SS Bonds  (3, 3)

Asymmetric/Biological Unit
No.Residues
1A:28 -A:79
2A:234 -A:287
3B:234 -B:287

(-) Cis Peptide Bonds  (6, 6)

Asymmetric/Biological Unit
No.Residues
1Tyr A:128 -Pro A:129
2Asn A:239 -Pro A:240
3Leu A:336 -Pro A:337
4Tyr B:128 -Pro B:129
5Asn B:239 -Pro B:240
6Leu B:336 -Pro B:337

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 1BIH)

(-) 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:391
 aligned with HEMO_HYACE | P25033 from UniProtKB/Swiss-Prot  Length:413

    Alignment length:391
                                    32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352       362       372       382       392       402       412 
           HEMO_HYACE    23 KYPVLKDQPAEVLFRENNPTVLECIIEGNDQGVKYSWKKDGKSYNWQEHNAALRKDEGSLVFLRPQASDEGHYQCFAETPAGVASSRVISFRKTYLIASPAKTHEKTPIEGRPFQLDCVLPNAYPKPLITWKKRLSGADPNADVTDFDRRITAGPDGNLYFTIVTKEDVSDIYKYVCTAKNAAVDEEVVLVEYEIKGVTKDNSGYKGEPVPQYVSKDMMAKAGDVTMIYCMYGSNPMGYPNYFKNGKDVNGNPEDRITRHNRTSGKRLLFKTTLPEDEGVYTCEVDNGVGKPQKHSLKLTVVSAPKYEQKPEKVIVVKQGQDVTIPCKVTGLPAPNVVWSHNAKPLSGGRATVTDSGLVIKGVKNGDKGYYGCRATNEHGDKYFETLVQVN 413
               SCOP domains d1biha1 A:5-98 Hemolin                                                                        d1biha2 A:99-209 Hemolin                                                                                       d1biha3 A:210-306 Hemolin                                                                        d1biha4 A:307-395 Hemolin                                                                 SCOP domains
               CATH domains 1bihA01 A:5-101 Immunoglobulins                                                                  1bihA02 A:102-207 Immunoglobulins                                                                         1bihA03 A:208-307 Immunoglobulins                                                                   1bihA04 A:308-395 Immunoglobulins                                                        CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..........eeeee....eee...........eeeeee...........eee......eee....hhh.eeeeeeeee..eeee...eeeeeeeee....eeeeeeee....eee.....eee...eeeeeeee....hhh........eee.....eee....hhh....eeeeeeee.......eeeeeeeeeeee..........eeeee...eeee....eeeeeeee.......eeee......................eeee....hhh.eeeeeee.......eeeeeeeeee...eeee....eeee.....eeee.eee.......eeee.........eeee..eeee........eeeeeeeee..eeeeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1bih A   5 KYPVLKDQPAEVLFRENNPTVLECIIEGNDQGVKYSWKKDGKSYNWQEHNAALRKDEGSLVFLRPQASDEGHYQCFAETPAGVASSRVISFRKTYLIASPAKTHEKTPIEGRPFQLDCVLPNAYPKPLITWKKRLSGADPNADVTDFDRRITAGPDGNLYFTIVTKEDVSDIYKYVCTAKNAAVDEEVVLVEYEIKGVTKDNSGYKGEPVPQYVSKDMMAKAGDVTMIYCMYGSNPMGYPNYFKNGKDVNGNPEDRITRHNRTSGKRLLFKTTLPEDEGVYTCEVDNGVGKPQKHSLKLTVVSAPKYEQKPEKVIVVKQGQDVTIPCKVTGLPAPNVVWSHNAKPLSGGRATVTDSGLVIKGVKNGDKGYYGCRATNEHGDKYFETLVQVN 395
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374       384       394 


Chain B from PDB  Type:PROTEIN  Length:391
 aligned with HEMO_HYACE | P25033 from UniProtKB/Swiss-Prot  Length:413

    Alignment length:391
                                    32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352       362       372       382       392       402       412 
           HEMO_HYACE    23 KYPVLKDQPAEVLFRENNPTVLECIIEGNDQGVKYSWKKDGKSYNWQEHNAALRKDEGSLVFLRPQASDEGHYQCFAETPAGVASSRVISFRKTYLIASPAKTHEKTPIEGRPFQLDCVLPNAYPKPLITWKKRLSGADPNADVTDFDRRITAGPDGNLYFTIVTKEDVSDIYKYVCTAKNAAVDEEVVLVEYEIKGVTKDNSGYKGEPVPQYVSKDMMAKAGDVTMIYCMYGSNPMGYPNYFKNGKDVNGNPEDRITRHNRTSGKRLLFKTTLPEDEGVYTCEVDNGVGKPQKHSLKLTVVSAPKYEQKPEKVIVVKQGQDVTIPCKVTGLPAPNVVWSHNAKPLSGGRATVTDSGLVIKGVKNGDKGYYGCRATNEHGDKYFETLVQVN 413
               SCOP domains d1bihb1 B:5-98 Hemolin                                                                        d1bihb2 B:99-209 Hemolin                                                                                       d1bihb3 B:210-306 Hemolin                                                                        d1bihb4 B:307-395 Hemolin                                                                 SCOP domains
               CATH domains 1bihB01 B:5-101 Immunoglobulins                                                                  1bihB02 B:102-207 Immunoglobulins                                                                         1bihB03 B:208-307 Immunoglobulins                                                                   1bihB04 B:308-395 Immunoglobulins                                                        CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..........eeeee....eee...........eeeeee...........eee......eee....hhh.eeeeeeeee..eeee...eeeeeeeee....eeeeeeee....eee.....eee...eeeeeeee...............eee.....eee....hhh....eeeeeeee.......eeeeeeeeeeee..........eeeee...eeee....eeeeeeee.......eeee......................eeee....hhh.eeeeeee.......eeeeeeeeee...eeee....eeee.....eeee.eee.......eeee.........eeee..eeee........eeeeeeeee..eeeeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1bih B   5 KYPVLKDQPAEVLFRENNPTVLECIIEGNDQGVKYSWKKDGKSYNWQEHNAALRKDEGSLVFLRPQASDEGHYQCFAETPAGVASSRVISFRKTYLIASPAKTHEKTPIEGRPFQLDCVLPNAYPKPLITWKKRLSGADPNADVTDFDRRITAGPDGNLYFTIVTKEDVSDIYKYVCTAKNAAVDEEVVLVEYEIKGVTKDNSGYKGEPVPQYVSKDMMAKAGDVTMIYCMYGSNPMGYPNYFKNGKDVNGNPEDRITRHNRTSGKRLLFKTTLPEDEGVYTCEVDNGVGKPQKHSLKLTVVSAPKYEQKPEKVIVVKQGQDVTIPCKVTGLPAPNVVWSHNAKPLSGGRATVTDSGLVIKGVKNGDKGYYGCRATNEHGDKYFETLVQVN 395
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374       384       394
   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, 8)

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

(-) CATH Domains  (1, 8)

Asymmetric/Biological Unit
(-)
Class: Mainly Beta (13760)
(-)
Architecture: Sandwich (5577)
(-)
Topology: Immunoglobulin-like (3897)
(-)
Homologous Superfamily: Immunoglobulins (2282)
(-)
Cecropia moth (Hyalophora cecropia) (1)
1a1bihA02A:102-207
1b1bihB02B:102-207
1c1bihA03A:208-307
1d1bihB03B:208-307
1e1bihA01A:5-101
1f1bihB01B:5-101
1g1bihA04A:308-395
1h1bihB04B:308-395

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (4, 4)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (HEMO_HYACE | P25033)
biological process
    GO:0002376    immune system process    Any process involved in the development or functioning of the immune system, an organismal system for calibrated responses to potential internal or invasive threats.
    GO:0045087    innate immune response    Innate immune responses are defense responses mediated by germline encoded components that directly recognize components of potential pathogens.
cellular component
    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.
    GO:0005615    extracellular space    That part of a multicellular organism outside the cells proper, usually taken to be outside the plasma membranes, and occupied by fluid.

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