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(-) Description

Title :  AN OLIGOMERIC DOMAIN-SWAPPED BETA-BETA-ALPHA MINI-PROTEIN
 
Authors :  M. H. Ali, E. Peisach, K. N. Allen, B. Imperiali
Date :  10 Mar 04  (Deposition) - 17 Aug 04  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.20
Chains :  Asym./Biol. Unit :  A,B,C,D
Keywords :  Protein Design, Domain Swapping, Mini-Protein, Oligomerization, De Novo Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. H. Ali, E. Peisach, K. N. Allen, B. Imperiali
X-Ray Structure Analysis Of A Designed Oligomeric Miniprotein Reveals A Discrete Quaternary Architecture
Proc. Natl. Acad. Sci. Usa V. 101 12183 2004
PubMed-ID: 15302930  |  Reference-DOI: 10.1073/PNAS.0401245101
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - TETRAMERIC BETA-BETA-ALPHA MINI-PROTEIN
    Chains: A, B, C, D
    Engineered: YES
    Other Details: THE PROTEIN WAS CHEMICALLY SYNTHESIZED.
    Synonym: BBAT
    Synthetic: YES

 Structural Features

(-) Chains, Units

  1234
Asymmetric/Biological Unit : ABCD

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (5, 20)

Asymmetric/Biological Unit (5, 20)
No.NameCountTypeFull Name
1ACE4Mod. Amino AcidACETYL GROUP
2DAL4Mod. Amino AcidD-ALANINE
3DBZ4Mod. Amino Acid3-(BENZOYLAMINO)-L-ALANINE
4DPR4Mod. Amino AcidD-PROLINE
5NH24Mod. Amino AcidAMINO GROUP

(-) Sites  (8, 8)

Asymmetric Unit (8, 8)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG A:102 , DAL A:109 , HOH A:130 , HOH A:143BINDING SITE FOR RESIDUE ACE A 100
2AC2SOFTWAREHOH B:62 , HOH B:70BINDING SITE FOR RESIDUE ACE B 200
3AC3SOFTWAREHOH D:11 , HOH D:69 , HOH D:91BINDING SITE FOR RESIDUE ACE D 400
4AC4SOFTWAREHOH C:22BINDING SITE FOR RESIDUE ACE C 300
5AC5SOFTWAREARG A:117 , GLY A:121 , HOH C:28 , HOH A:144 , HOH A:145BINDING SITE FOR RESIDUE NH2 A 122
6AC6SOFTWAREARG B:217 , DBZ B:220 , GLY B:221 , HOH B:31BINDING SITE FOR RESIDUE NH2 B 222
7AC7SOFTWAREDBZ D:420 , GLY D:421 , HOH D:34BINDING SITE FOR RESIDUE NH2 D 422
8AC8SOFTWAREGLY C:321BINDING SITE FOR RESIDUE NH2 C 322

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1SN9)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1SN9)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1SN9)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1SN9)

(-) Exons   (0, 0)

(no "Exon" information available for 1SN9)

(-) 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:23
                                                       
               SCOP domains d1sn9a_ A:              SCOP domains
               CATH domains ----------------------- CATH domains
               Pfam domains ----------------------- Pfam domains
         Sec.struct. author .......hhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ----------------------- SAPs(SNPs)
                    PROSITE ----------------------- PROSITE
                 Transcript ----------------------- Transcript
                 1sn9 A 100 xYRIxSYDFxDELAKLLRQAaGx 122
                            |   |  109       119| |
                            |   |    |        120-DBZ
                          100-ACE    |          122-NH2
                              104-DPR|             
                                   109-DAL         


Chain B from PDB  Type:PROTEIN  Length:23
                                                       
               SCOP domains d1sn9b_ B:              SCOP domains
               CATH domains ----------------------- CATH domains
               Pfam domains ----------------------- Pfam domains
         Sec.struct. author .......hhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ----------------------- SAPs(SNPs)
                    PROSITE ----------------------- PROSITE
                 Transcript ----------------------- Transcript
                 1sn9 B 200 xYRIxSYDFxDELAKLLRQAaGx 222
                            |   |  209       219| |
                            |   |    |        220-DBZ
                          200-ACE    |          222-NH2
                              204-DPR|             
                                   209-DAL         


Chain C from PDB  Type:PROTEIN  Length:23
                                                       
               SCOP domains d1sn9c_ C:              SCOP domains
               CATH domains ----------------------- CATH domains
               Pfam domains ----------------------- Pfam domains
         Sec.struct. author ..ee..eehhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ----------------------- SAPs(SNPs)
                    PROSITE ----------------------- PROSITE
                 Transcript ----------------------- Transcript
                 1sn9 C 300 xYRIxSYDFxDELAKLLRQAaGx 322
                            |   |  309       319| |
                            |   |    |        320-DBZ
                          300-ACE    |          322-NH2
                              304-DPR|             
                                   309-DAL         


Chain D from PDB  Type:PROTEIN  Length:23
                                                       
               SCOP domains d1sn9d_ D:              SCOP domains
               CATH domains ----------------------- CATH domains
               Pfam domains ----------------------- Pfam domains
         Sec.struct. author ..ee..eehhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ----------------------- SAPs(SNPs)
                    PROSITE ----------------------- PROSITE
                 Transcript ----------------------- Transcript
                 1sn9 D 400 xYRIxSYDFxDELAKLLRQAaGx 422
                            |   |  409       419| |
                            |   |    |        420-DBZ
                          400-ACE    |          422-NH2
                              404-DPR|             
                                   409-DAL
   Legend:   → Mismatch (orange background)
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    → 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, 4)

Asymmetric/Biological Unit
(-)
Class: Designed proteins (167)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 1SN9)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1SN9)

(-) Gene Ontology  (0, 0)

Asymmetric/Biological Unit(hide GO term definitions)
    (no "Gene Ontology" information available for 1SN9)

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 Related Entries

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

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(-) Related Entries Specified in the PDB File

1sna 1sne