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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) - 16 Nov 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.50
Chains :  Asym. Unit :  A,B,C,D
Biol. Unit 1:  A,B  (2x)
Biol. Unit 2:  C,D  (2x)
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

(-) 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 Unit : ABCD
Biological Unit 1 (2x): AB  
Biological Unit 2 (2x):   CD

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (7, 25)

Asymmetric Unit (7, 25)
No.NameCountTypeFull Name
1ACE4Mod. Amino AcidACETYL GROUP
2DAL4Mod. Amino AcidD-ALANINE
3DBZ4Mod. Amino Acid3-(BENZOYLAMINO)-L-ALANINE
4DPR4Mod. Amino AcidD-PROLINE
5IPA1Ligand/IonISOPROPYL ALCOHOL
6MSO4Mod. Amino AcidSELENOMETHIONINE SELENOXIDE
7NH24Mod. Amino AcidAMINO GROUP
Biological Unit 1 (6, 24)
No.NameCountTypeFull Name
1ACE4Mod. Amino AcidACETYL GROUP
2DAL4Mod. Amino AcidD-ALANINE
3DBZ4Mod. Amino Acid3-(BENZOYLAMINO)-L-ALANINE
4DPR4Mod. Amino AcidD-PROLINE
5IPA-1Ligand/IonISOPROPYL ALCOHOL
6MSO4Mod. Amino AcidSELENOMETHIONINE SELENOXIDE
7NH24Mod. Amino AcidAMINO GROUP
Biological Unit 2 (7, 26)
No.NameCountTypeFull Name
1ACE4Mod. Amino AcidACETYL GROUP
2DAL4Mod. Amino AcidD-ALANINE
3DBZ4Mod. Amino Acid3-(BENZOYLAMINO)-L-ALANINE
4DPR4Mod. Amino AcidD-PROLINE
5IPA2Ligand/IonISOPROPYL ALCOHOL
6MSO4Mod. Amino AcidSELENOMETHIONINE SELENOXIDE
7NH24Mod. Amino AcidAMINO GROUP

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHOH C:141 , MSO C:313 , LEU C:316 , LEU D:412 , MSO D:413BINDING SITE FOR RESIDUE IPA C 200

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 1SNA)

(-) Sequences/Alignments

Asymmetric 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 d1snaa_ 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
                 1sna A 100 xYRIxSYDFxDELmKLLRQAaGx 122
                            |   |  109   |   119| |
                            |   |    |   |      | |
                          100-ACE    |   |      | |
                              104-DPR|   |      | |
                                   109-DAL      | |
                                       113-MSO  | |
                                              120-DBZ
                                                122-NH2


Chain B from PDB  Type:PROTEIN  Length:23
                                                       
               SCOP domains d1snab_ B:              SCOP domains
               CATH domains ----------------------- CATH domains
               Pfam domains ----------------------- Pfam domains
         Sec.struct. author ..ee..eehhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ----------------------- SAPs(SNPs)
                    PROSITE ----------------------- PROSITE
                 Transcript ----------------------- Transcript
                 1sna B 200 xYRIxSYDFxDELmKLLRQAaGx 222
                            |   |  209   |   219| |
                            |   |    |   |      | |
                          200-ACE    |   |      | |
                              204-DPR|   |      | |
                                   209-DAL      | |
                                       213-MSO  | |
                                              220-DBZ
                                                222-NH2


Chain C from PDB  Type:PROTEIN  Length:23
                                                       
               SCOP domains d1snac_ C:              SCOP domains
               CATH domains ----------------------- CATH domains
               Pfam domains ----------------------- Pfam domains
         Sec.struct. author .......hhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ----------------------- SAPs(SNPs)
                    PROSITE ----------------------- PROSITE
                 Transcript ----------------------- Transcript
                 1sna C 300 xYRIxSYDFxDELmKLLRQAaGx 322
                            |   |  309   |   319| |
                            |   |    |   |      | |
                          300-ACE    |   |      | |
                              304-DPR|   |      | |
                                   309-DAL      | |
                                       313-MSO  | |
                                              320-DBZ
                                                322-NH2


Chain D from PDB  Type:PROTEIN  Length:23
                                                       
               SCOP domains d1snad_ D:              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
                 1sna D 400 xYRIxSYDFxDELmKLLRQAaGx 422
                            |   |  409   |   419| |
                            |   |    |   |      | |
                          400-ACE    |   |      | |
                              404-DPR|   |      | |
                                   409-DAL      | |
                                       413-MSO  | |
                                              420-DBZ
                                                422-NH2
   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  (1, 4)

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

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (0, 0)

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

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 Related Entries

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(-) Related Entries Specified in the PDB File

1sn9 1sne