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(-) Description

Title :  THE N-TERMINAL DOMAIN OF BETA-B2-CRYSTALLIN RESEMBLES THE PUTATIVE ANCESTRAL HOMODIMER
 
Authors :  N. J. Clout, A. Basak, K. Wieligmann, O. A. Bateman, R. Jaenicke, C. Slin
Date :  31 Aug 00  (Deposition) - 05 Oct 00  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.35
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Structural Protein, Eye Lens Protein, Domain Interactions, 2-Fold Symmetry (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  N. J. Clout, A. Basak, K. Wieligmann, O. A. Bateman, R. Jaenicke, C. Slingsby
The N-Terminal Domain Of Betab2-Crystallin Resembles The Putative Ancestral Homodimer.
J. Mol. Biol. V. 304 253 2000
PubMed-ID: 11090271  |  Reference-DOI: 10.1006/JMBI.2000.4197

(-) Compounds

Molecule 1 - BETA-CRYSTALLIN B2
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Fragment: N-TERMINAL DOMAIN, RESIDUES 2-107
    Organism Common: HOUSE MOUSE
    Organism Scientific: MUS MUSCULUS
    Organism Taxid: 10090
    Synonym: BETA-B2 CRYSTALLIN, BETA-CRYSTALLIN BP

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 1E7N)

(-) Sites  (0, 0)

(no "Site" information available for 1E7N)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1E7N)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1Gly A:40 -Pro A:41
2Gly B:40 -Pro B:41

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1E7N)

(-) PROSITE Motifs  (1, 4)

Asymmetric/Biological Unit (1, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1CRYSTALLIN_BETA_GAMMAPS50915 Crystallins beta and gamma 'Greek key' motif profile.CRBB2_MOUSE17-56
 
57-101
 
107-148
149-191		  4A:1-39
B:1-39
A:40-82
B:40-82
-
-

(-) Exons   (0, 0)

(no "Exon" information available for 1E7N)

(-) 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:89
 aligned with CRBB2_MOUSE | P62696 from UniProtKB/Swiss-Prot  Length:205

    Alignment length:89
                                    24        34        44        54        64        74        84        94         
          CRBB2_MOUSE    15 LNPKIIIFEQENFQGHSHELSGPCPNLKETGMEKAGSVLVQAGPWVGYEQANCKGEQFVFEKGEYPRWDSWTSSRRTDSLSSLRPIKVD 103
               SCOP domains d1e7na_ A: beta-Crystallin                                                                SCOP domains
               CATH domains 1e7nA00 A:-2-84 Crystallins                                                               CATH domains
               Pfam domains ----------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeeeehhheeeeeee.....hhhhhh.....eeeeee..eeeeee...eeeeeee..eee................eeee.... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --CRYSTALLIN_BETA_GAMMA  PDB: A:1-39      CRYSTALLIN_BETA_GAMMA  PDB: A:40-82          -- PROSITE
                 Transcript ----------------------------------------------------------------------------------------- Transcript
                 1e7n A  -2 LNPKIIIFEQENFQGHSHELSGPCPNLKETGMEKAGSVLVQAGPWVGYEQANCKGEQFVFEKGEYPRWDSWTSSRRTDSLSSLRPIKVD  84
                             ||      8        18        28|       37        47        57        67   | |  75         
                             ||                         28A                                        70A |             
                            -1|                                                                      71A             
                              1                                                                                      


Chain B from PDB  Type:PROTEIN  Length:89
 aligned with CRBB2_MOUSE | P62696 from UniProtKB/Swiss-Prot  Length:205

    Alignment length:89
                                    24        34        44        54        64        74        84        94         
          CRBB2_MOUSE    15 LNPKIIIFEQENFQGHSHELSGPCPNLKETGMEKAGSVLVQAGPWVGYEQANCKGEQFVFEKGEYPRWDSWTSSRRTDSLSSLRPIKVD 103
               SCOP domains d1e7nb_ B: beta-Crystallin                                                                SCOP domains
               CATH domains 1e7nB00 B:-2-84 Crystallins                                                               CATH domains
               Pfam domains ----------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author eeeeeeeeeehhheeeeeee.....hhhhhh.....eeeeeee.eeeeee...eeeeeee..eee.hhhhhh.........eeee.... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --CRYSTALLIN_BETA_GAMMA  PDB: B:1-39      CRYSTALLIN_BETA_GAMMA  PDB: B:40-82          -- PROSITE
                 Transcript ----------------------------------------------------------------------------------------- Transcript
                 1e7n B  -2 LNPKIIIFEQENFQGHSHELSGPCPNLKETGMEKAGSVLVQAGPWVGYEQANCKGEQFVFEKGEYPRWDSWTSSRRTDSLSSLRPIKVD  84
                             ||      8        18        28|       37        47        57        67   | |  75         
                            -1|                         28A                                        70A |             
                              1                                                                      71A
   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, 2)

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

(-) CATH Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1E7N)

(-) Gene Ontology  (5, 5)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (CRBB2_MOUSE | P62696)
molecular function
    GO:0042802    identical protein binding    Interacting selectively and non-covalently with an identical protein or proteins.
    GO:0042803    protein homodimerization activity    Interacting selectively and non-covalently with an identical protein to form a homodimer.
    GO:0005212    structural constituent of eye lens    The action of a molecule that contributes to the structural integrity of the lens of an eye.
biological process
    GO:0043010    camera-type eye development    The process whose specific outcome is the progression of the camera-type eye over time, from its formation to the mature structure. The camera-type eye is an organ of sight that receives light through an aperture and focuses it through a lens, projecting it on a photoreceptor field.
    GO:0007601    visual perception    The series of events required for an organism to receive a visual stimulus, convert it to a molecular signal, and recognize and characterize the signal. Visual stimuli are detected in the form of photons and are processed to form an image.

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  Cis Peptide Bonds
    Gly A:40 - Pro A:41   [ RasMol ]  
    Gly B:40 - Pro B:41   [ RasMol ]  
 

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  1e7n
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 Related Entries

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

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