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(-) Description

Title :  THE C1 SUBUNIT OF ALPHA-CRUSTACYANIN
 
Authors :  E. J. Gordon, G. A. Leonard, S. Mcsweeney, P. F. Zagalsky
Date :  23 Feb 01  (Deposition) - 19 Sep 01  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.15
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Lipocalin Fold, Antiparallel Beta Barrel, Transport Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  E. J. Gordon, G. A. Leonard, S. Mcsweeney, P. F. Zagalsky
The C1 Subunit Of Alpha-Crustacyanin: The De Novo Phasing Of The Crystal Structure Of A 40 Kda Homodimeric Protein Using The Anomalous Scattering From S Atoms Combined With Direct Methods.
Acta Crystallogr. , Sect. D V. 57 1230 2001
PubMed-ID: 11526314  |  Reference-DOI: 10.1107/S0907444901009362
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - CRUSTACYANIN
    Chains: A, B
    Engineered: YES
    Fragment: C1 SUBUNIT
    Other Details: THIS PEPTIDE WAS CHEMICALLY SYNTHESIZED. THE SEQUENCE OF THIS PEPTIDE OCCURS NATURALLY IN HOMARUS GAMMARUS (EUROPEAN LOBSTER).
    Synthetic: YES

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 6)

Asymmetric/Biological Unit (2, 6)
No.NameCountTypeFull Name
1MPD4Ligand/Ion(4S)-2-METHYL-2,4-PENTANEDIOL
2SO42Ligand/IonSULFATE ION

(-) Sites  (6, 6)

Asymmetric Unit (6, 6)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG B:17 , HIS B:92 , CYS B:121 , HOH B:1048 , HOH B:1138 , HOH B:1139 , HOH B:1152BINDING SITE FOR RESIDUE SO4 B 1001
2AC2SOFTWAREHIS A:92 , PRO A:104 , CYS A:121 , HOH A:1111BINDING SITE FOR RESIDUE SO4 A 1002
3AC3SOFTWAREGLN B:46 , TYR B:97 , MPD B:1004 , HOH B:1021 , HOH B:1066BINDING SITE FOR RESIDUE MPD B 1003
4AC4SOFTWAREASN B:43 , TYR B:45 , ILE B:95 , PHE B:132 , MPD B:1003 , HOH B:1188BINDING SITE FOR RESIDUE MPD B 1004
5AC5SOFTWAREGLN A:46 , TYR A:97 , MPD A:1006 , HOH A:1029 , HOH A:1037 , HOH A:1068BINDING SITE FOR RESIDUE MPD A 1005
6AC6SOFTWAREASN A:43 , TYR A:45 , ILE A:95 , SER A:120 , PHE A:132 , MPD A:1005 , HOH A:1185BINDING SITE FOR RESIDUE MPD A 1006

(-) 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 1I4U)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1I4U)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1I4U)

(-) Exons   (0, 0)

(no "Exon" information available for 1I4U)

(-) 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:181
 aligned with CRC1_HOMGA | P80029 from UniProtKB/Swiss-Prot  Length:181

    Alignment length:181
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180 
           CRC1_HOMGA     1 DKIPDFVVPGKCASVDRNKLWAEQTPNRNSYAGVWYQFALTNNPYQLIEKCVRNEYSFDGKQFVIKSTGIAYDGNLLKRNGKLYPNPFGEPHLSIDYENSFAAPLVILETDYSNYACLYSCIDYNFGYHSDFSFIFSRSANLADQYVKKCEAAFKNINVDTTRFVKTVQGSSCPYDTQKTL 181
               SCOP domains d1i4ua_ A: Alpha-crustacyanin                                                                                                                                                         SCOP domains
               CATH domains 1i4uA00 A:1-181  [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
                 1i4u A   1 DKIPDFVVPGKCASVDRNKLWAEQTPNRNSYAGVWYQFALTNNPYQLIEKCVRNEYSFDGKQFVIESTGIAYDGNLLKRNGKLYPNPFGEPHLSIDYENSFAAPLVILETDYSNYACLYSCIDYNFGYHSDFSFIFSRSANLADQYVKKCEAAFKNINVDTTRFVKTVQGSSCPYDTQKTL 181
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180 


Chain B from PDB  Type:PROTEIN  Length:180
 aligned with CRC1_HOMGA | P80029 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
           CRC1_HOMGA     2 KIPDFVVPGKCASVDRNKLWAEQTPNRNSYAGVWYQFALTNNPYQLIEKCVRNEYSFDGKQFVIKSTGIAYDGNLLKRNGKLYPNPFGEPHLSIDYENSFAAPLVILETDYSNYACLYSCIDYNFGYHSDFSFIFSRSANLADQYVKKCEAAFKNINVDTTRFVKTVQGSSCPYDTQKTL 181
               SCOP domains d1i4ub_ B: Alpha-crustacyanin                                                                                                                                                        SCOP domains
               CATH domains 1i4uB00 B:2-181  [code=2.40.128.20, no name defined]                                                                                                                                 CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ......ee......hhhhhhhhhh.hhhhhheeeeeeeee......eeeeeeeeeee....eeeeeeeee....eeeeeeeeee.......eeeee....eeeeeeeee....eeeeeeeee....eeeeeeeeee.....hhhhhhhhhhhhhhh..hhh.eee.......hhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1i4u B   2 KIPDFVVPGKCASVDRNKLWAEQTPNRNSYAGVWYQFALTNNPYQLIEKCVRNEYSFDGKQFVIESTGIAYDGNLLKRNGKLYPNPFGEPHLSIDYENSFAAPLVILETDYSNYACLYSCIDYNFGYHSDFSFIFSRSANLADQYVKKCEAAFKNINVDTTRFVKTVQGSSCPYDTQKTL 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  (0, 0)

(no "Pfam Domain" information available for 1I4U)

(-) Gene Ontology  (5, 5)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (CRC1_HOMGA | P80029)
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: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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 Related Entries

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

UniProtKB/Swiss-Prot
        CRC1_HOMGA | P80029: 1h91 1obq 1obu 1s2p 4alo

(-) Related Entries Specified in the PDB File

1h91 THE CRYSTAL STRUCTURE OF LOBSTER APOCRUSTACYANIN C1 USING SOFTER X-RAYS