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(-) Description

Title :  CRYSTAL STRUCTURE OF THE DE NOVO DESIGNED FLUORINATED PEPTIDE ALPHA4F3A
 
Authors :  B. C. Buer, J. L. Meagher, J. A. Stuckey, E. N. G. Marsh
Date :  21 Sep 11  (Deposition) - 14 Mar 12  (Release) - 18 Apr 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.54
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A,B  (2x)
Biol. Unit 2:  A,B  (1x)
Keywords :  Alpha Helix, De Novo Designed, Fluorinated Protein, Unknown Function (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  B. C. Buer, J. L. Meagher, J. A. Stuckey, E. N. Marsh
Structural Basis For The Enhanced Stability Of Highly Fluorinated Proteins.
Proc. Natl. Acad. Sci. Usa V. 109 4810 2012
PubMed-ID: 22411812  |  Reference-DOI: 10.1073/PNAS.1120112109

(-) Compounds

Molecule 1 - ALPHA4F3A
    Chains: A, B
    Engineered: YES
    Other Details: SYNTHESIZED
    Synthetic: YES

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (2x): AB
Biological Unit 2 (1x): AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (4, 10)

Asymmetric Unit (4, 10)
No.NameCountTypeFull Name
16FL6Mod. Amino Acid5,5,5,5',5',5'-HEXAFLUORO-L-LEUCINE
2ACE1Mod. Amino AcidACETYL GROUP
3NA1Ligand/IonSODIUM ION
4PGE2Ligand/IonTRIETHYLENE GLYCOL
Biological Unit 1 (3, 18)
No.NameCountTypeFull Name
16FL12Mod. Amino Acid5,5,5,5',5',5'-HEXAFLUORO-L-LEUCINE
2ACE2Mod. Amino AcidACETYL GROUP
3NA-1Ligand/IonSODIUM ION
4PGE4Ligand/IonTRIETHYLENE GLYCOL
Biological Unit 2 (3, 9)
No.NameCountTypeFull Name
16FL6Mod. Amino Acid5,5,5,5',5',5'-HEXAFLUORO-L-LEUCINE
2ACE1Mod. Amino AcidACETYL GROUP
3NA-1Ligand/IonSODIUM ION
4PGE2Ligand/IonTRIETHYLENE GLYCOL

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLY A:1 , GLU A:5 , ARG B:18 , ARG B:21 , HOH B:33BINDING SITE FOR RESIDUE ACE A 28
2AC2SOFTWAREGLU B:11 , ASP B:12 , GLU B:15 , LYS B:19 , PGE B:29 , NA B:30BINDING SITE FOR RESIDUE PGE B 28
3AC3SOFTWAREGLU A:5 , GLU A:9 , GLU B:15 , ARG B:18 , LYS B:19 , LEU B:20 , LYS B:23 , PGE B:28BINDING SITE FOR RESIDUE PGE B 29
4AC4SOFTWAREARG A:16 , TYR B:7 , ASP B:12 , ARG B:16 , PGE B:28BINDING SITE FOR RESIDUE NA B 30

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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(-) Exons   (0, 0)

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(-) 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:26
                                                         
               SCOP domains -------------------------- SCOP domains
               CATH domains -------------------------- CATH domains
               Pfam domains -------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) -------------------------- SAPs(SNPs)
                    PROSITE -------------------------- PROSITE
                 Transcript -------------------------- Transcript
                  3twf A  1 GNADELYKExEDLQERxRKLRKKxRx 28
                                    10      | 20   |||
                                    10-6FL 17-6FL 24-6FL
                                                   25|
                                                    28-ACE


Chain B from PDB  Type:PROTEIN  Length:26
                                                         
               SCOP domains -------------------------- SCOP domains
               CATH domains -------------------------- CATH domains
               Pfam domains -------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) -------------------------- SAPs(SNPs)
                    PROSITE -------------------------- PROSITE
                 Transcript -------------------------- Transcript
                  3twf B  1 GNADELYKExEDLQERxRKLRKKxRS 26
                                    10      | 20   |  
                                    10-6FL 17-6FL 24-6FL
   Legend:   → Mismatch (orange background)
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 Classification and Annotation

(-) SCOP Domains  (0, 0)

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

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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(-) Gene Ontology  (0, 0)

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3twe 3twg