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(-) Description

Title :  THE STRUCTURE AND REFINEMENT OF APOCRUSTACYANIN C2 TO 1.6A RESOLUTION AND THE SEARCH FOR DIFFERENCES BETWEEN THIS PROTEIN AND THE HOMOLOGOUS APOPROTEINS A1 AND C1.
 
Authors :  J. Habash, J. R. Helliwell, J. Raftery, M. Cianci, P. J. Rizkallah, N. E. G. A. Nneji, P. F. Zagalsky
Date :  15 Jan 04  (Deposition) - 27 Apr 04  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.60
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Crustacyanin, Refinement, Post-Translational Modifications, Glycerol, Protein Binding (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  J. Habash, J. R. Helliwell, J. Raftery, M. Cianci, P. J. Rizkallah, N. E. Chayen, G. A. Nneji, P. F. Zagalsky
The Structure And Refinement Of Apocrustacyanin C2 To 1. 3 A Resolution And The Search For Differences Between This Protein And The Homologous Apoproteins A1 And C1.
Acta Crystallogr. , Sect. D V. 60 493 2004
PubMed-ID: 14993674  |  Reference-DOI: 10.1107/S090744490400037X
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - CRUSTACYANIN A1 SUBUNIT
    Chains: A, B
    Fragment: HOMO DIMER SUBUNIT
    Organism Common: EUROPEAN LOBSTER
    Organism Scientific: HOMARUS GAMMARUS
    Organism Taxid: 6707

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 5)

Asymmetric/Biological Unit (3, 5)
No.NameCountTypeFull Name
1GOL1Ligand/IonGLYCEROL
2MPD2Ligand/Ion(4S)-2-METHYL-2,4-PENTANEDIOL
3SO42Ligand/IonSULFATE ION

(-) Sites  (5, 5)

Asymmetric Unit (5, 5)
No.NameEvidenceResiduesDescription
1AC1SOFTWARESER A:14 , VAL A:15 , ASP A:16 , ARG A:17 , HOH A:575 , HOH A:598 , HOH A:641 , LYS B:2BINDING SITE FOR RESIDUE SO4 A 491
2AC2SOFTWARESER B:14 , VAL B:15 , ASP B:16 , ARG B:17 , HOH B:662BINDING SITE FOR RESIDUE SO4 B 492
3AC3SOFTWAREASN B:54 , TYR B:97 , PHE B:134 , PHE B:136 , HOH B:554 , HOH B:571 , HOH B:637BINDING SITE FOR RESIDUE GOL B 501
4AC4SOFTWAREGLN A:46 , TYR A:97 , MPD A:482 , HOH A:523 , HOH A:537 , HOH A:557 , HOH A:580BINDING SITE FOR RESIDUE MPD A 481
5AC5SOFTWAREASN A:43 , TYR A:45 , ILE A:95 , PHE A:101 , MPD A:481 , HOH A:655BINDING SITE FOR RESIDUE MPD A 482

(-) SS Bonds  (6, 6)

Asymmetric/Biological Unit
No.Residues
1A:12 -A:121
2A:51 -A:173
3A:117 -A:150
4B:12 -B:121
5B:51 -B:173
6B:117 -B:150

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1S44)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1S44)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1S44)

(-) Exons   (0, 0)

(no "Exon" information available for 1S44)

(-) 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:180
 aligned with CRA1_HOMGA | P58989 from UniProtKB/Swiss-Prot  Length:181

    Alignment length:180
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181
           CRA1_HOMGA     2 KIPNFVVPGKCASVDRNKLWAEQTPNRNSYAGVWYQFALTNNPYQLIEKCVRNEYSFDGKQFVIKSTGIAYDGNLLKRNGKLYPNPFGEPHLSIDYENSFAAPLVILETDYSNYACLYSCIDYNFGYHSDFSFIFSRSANLADQYVKKCEAAFKNINVDTTRFVKTVQGSSCPYDTQKTV 181
               SCOP domains d1s44a_ A: Alpha-crustacyanin                                                                                                                                                        SCOP domains
               CATH domains 1s44A00 A:2-181  [code=2.40.128.20, no name defined]                                                                                                                                 CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .....eee......hhhhhhhhhh.hhhhhheeeeeeeee......eeeeeeeeeee....eeeeeeeee....eeeeeeeeee.......eeeee....eeeeeeeee....eeeeeeeee....eeeeeeeeee.....hhhhhhhhhhhhhhh..hhh.eee.......hhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1s44 A   2 KIPNFVVPGKCASVDRNKLWAEQTPNRNSYAGVWYQFALTNNPYQLIEKCVRNEYSFDGKQFVIKSTGIAYDGNLLKRNGKLYPNPFGEPHLSIDYENSFAAPLVILETDYSNYACLYSCIDYNFGYHSDFSFIFSRSANLADQYVKKCEAAFKNINVDTTRFVKTVQGSSCPYDTQKTV 181
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181


Chain B from PDB  Type:PROTEIN  Length:180
 aligned with CRA1_HOMGA | P58989 from UniProtKB/Swiss-Prot  Length:181

    Alignment length:180
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181
           CRA1_HOMGA     2 KIPNFVVPGKCASVDRNKLWAEQTPNRNSYAGVWYQFALTNNPYQLIEKCVRNEYSFDGKQFVIKSTGIAYDGNLLKRNGKLYPNPFGEPHLSIDYENSFAAPLVILETDYSNYACLYSCIDYNFGYHSDFSFIFSRSANLADQYVKKCEAAFKNINVDTTRFVKTVQGSSCPYDTQKTV 181
               SCOP domains d1s44b_ B: Alpha-crustacyanin                                                                                                                                                        SCOP domains
               CATH domains 1s44B00 B:2-181  [code=2.40.128.20, no name defined]                                                                                                                                 CATH domains
           Pfam domains (1) ------------------------------Lipocalin-1s44B01 B:32-171                                                                                                                  ---------- Pfam domains (1)
           Pfam domains (2) ------------------------------Lipocalin-1s44B02 B:32-171                                                                                                                  ---------- Pfam domains (2)
         Sec.struct. author .....eee......hhhhhhhhhh.hhhhhheeeeeeeee......eeeeeeeeeee....eeeeeeeee....eeeeeeeeee.......eeeee....eeeeeeeee....eeeeeeeee....eeeeeeeeee.....hhhhhhhhhhhhhh...hhh.eee.......hhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1s44 B   2 KIPNFVVPGKCASVDRNKLWAEQTPNRNSYAGVWYQFALTNNPYQLIEKCVRNEYSFDGKQFVIKSTGIAYDGNLLKRNGKLYPNPFGEPHLSIDYENSFAAPLVILETDYSNYACLYSCIDYNFGYHSDFSFIFSRSANLADQYVKKCEAAFKNINVDTTRFVKTVQGSSCPYDTQKTV 181
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → 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, 2)

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

(-) CATH Domains  (1, 2)

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

(-) Pfam Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Clan: Calycin (163)

(-) Gene Ontology  (6, 6)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (CRA1_HOMGA | P58989)
molecular function
    GO:0031409    pigment binding    Interacting selectively and non-covalently with a pigment, any general or particular coloring matter in living organisms, e.g. melanin.
    GO:0036094    small molecule binding    Interacting selectively and non-covalently with a small molecule, any low molecular weight, monomeric, non-encoded molecule.
biological process
    GO:0018298    protein-chromophore linkage    The covalent or noncovalent attachment of a chromophore to a protein.
    GO:0006810    transport    The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein.
cellular component
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
    GO:0005615    extracellular space    That part of a multicellular organism outside the cells proper, usually taken to be outside the plasma membranes, and occupied by fluid.

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  1s44
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  CRA1_HOMGA | P58989
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 Related Entries

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

UniProtKB/Swiss-Prot
        CRA1_HOMGA | P58989: 1gka

(-) Related Entries Specified in the PDB File

1s2p THE SAME PROTEIN BUT AT DIFFERENT RESOLUTION. HERE RESIDUE 181 IS VAL WHICH IS NOT CORRECT. IN THE 1.3A RESOLUTION (PDB CODE 1S2P) THIS RESIDUE IS MODELLED AS LEU WHICH IS CORRECT.