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(-) Description

Title :  SELF-ASSEMBLY OF SPIDER SILK PROTEINS IS CONTROLLED BY A PH-SENSITIVE RELAY
 
Authors :  G. Askarieh, H. Hedhammar, K. Nordling, A. Saenz, C. Casals, A. Rising, J. Johansson, S. D. Knight
Date :  10 Feb 10  (Deposition) - 12 May 10  (Release) - 26 May 10  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.20
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Dragline Spider Silk, Self-Assembly, Ph-Dependence, Nt D40N Mutant, Structural Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  G. Askarieh, M. Hedhammar, K. Nordling, A. Saenz, C. Casals, A. Rising, J. Johansson, S. D. Knight
Self-Assembly Of Spider Silk Proteins Is Controlled By A Ph-Sensitive Relay.
Nature V. 465 236 2010
PubMed-ID: 20463740  |  Reference-DOI: 10.1038/NATURE08962

(-) Compounds

Molecule 1 - MAJOR AMPULLATE SPIDROIN 1
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Gene: MASP1
    Mutation: YES
    Organism Scientific: EUPROSTHENOPS AUSTRALIS
    Organism Taxid: 332052

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (1, 1)
No.NameCountTypeFull Name
1PGE1Ligand/IonTRIETHYLENE GLYCOL

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWARESER A:29 , MET A:30 , PRO A:31 , THR A:92 , SER A:95 , SER A:96 , HOH A:155BINDING SITE FOR RESIDUE PGE A 138

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3LR6)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3LR6)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3LR6)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3LR6)

(-) Exons   (0, 0)

(no "Exon" information available for 3LR6)

(-) 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:125
 aligned with Q05H60_9ARAC | Q05H60 from UniProtKB/TrEMBL  Length:394

    Alignment length:125
                                    34        44        54        64        74        84        94       104       114       124       134       144     
         Q05H60_9ARAC    25 HTTPWTNPGLAENFMNSFMQGLSSMPGFTASQLDDMSTIAQSMVQSIQSLAAQGRTSPNKLQALNMAFASSMAEIAASEEGGGSLSTKTSSIASAMSNAFLQTTGVVNQPFINEITQLVSMFAQA 149
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......hhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------- Transcript
                 3lr6 A   6 HTTPWTNPGLAENFMNSFMQGLSSMPGFTASQLDNMSTIAQSMVQSIQSLAAQGRTSPNKLQALNMAFASSMAEIAASEEGGGSLSTKTSSIASAMSNAFLQTTGVVNQPFINEITQLVSMFAQA 130
                                    15        25        35        45        55        65        75        85        95       105       115       125     


Chain B from PDB  Type:PROTEIN  Length:129
 aligned with Q05H60_9ARAC | Q05H60 from UniProtKB/TrEMBL  Length:394

    Alignment length:129
                                    34        44        54        64        74        84        94       104       114       124       134       144         
         Q05H60_9ARAC    25 HTTPWTNPGLAENFMNSFMQGLSSMPGFTASQLDDMSTIAQSMVQSIQSLAAQGRTSPNKLQALNMAFASSMAEIAASEEGGGSLSTKTSSIASAMSNAFLQTTGVVNQPFINEITQLVSMFAQAGMND 153
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......hhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3lr6 B   6 HTTPWTNPGLAENFMNSFMQGLSSMPGFTASQLDNMSTIAQSMVQSIQSLAAQGRTSPNKLQALNMAFASSMAEIAASEEGGGSLSTKTSSIASAMSNAFLQTTGVVNQPFINEITQLVSMFAQAGMND 134
                                    15        25        35        45        55        65        75        85        95       105       115       125
   Legend:   → Mismatch (orange background)
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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  (0, 0)

(no "SCOP Domain" information available for 3LR6)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3LR6)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3LR6)

(-) Gene Ontology  (0, 0)

Asymmetric/Biological Unit(hide GO term definitions)
    (no "Gene Ontology" information available for 3LR6)

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  3lr6
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 Related Entries

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

UniProtKB/TrEMBL
        Q05H60_9ARAC | Q05H60: 2lpi 2lpj 2lth 3lr2 3lr8 3lrd 4fbs

(-) Related Entries Specified in the PDB File

3lr2 NT WILD-TYPE
3lr8
3lrd