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(-) Description

Title :  HIGH RESOLUTION CRYSTAL STRUCTURE OF CALPAIN I PROTEASE CORE IN COMPLEX WITH LEUPEPTIN
 
Authors :  T. Moldoveanu, R. L. Campbell, D. Cuerrier, P. L. Davies
Date :  09 Jun 04  (Deposition) - 02 Nov 04  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.80
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Covalently-Linked Inhibitor At The Active Site Cysteine Forms A Hemithioacetal, Hydrolase, Hydrolase-Hydrolase Inhibitor Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  T. Moldoveanu, R. L. Campbell, D. Cuerrier, P. L. Davies
Crystal Structures Of Calpain-E64 And -Leupeptin Inhibitor Complexes Reveal Mobile Loops Gating The Active Site
J. Mol. Biol. V. 343 1313 2004
PubMed-ID: 15491615  |  Reference-DOI: 10.1016/J.JMB.2004.09.016
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - CALPAIN 1, LARGE [CATALYTIC] SUBUNIT
    ChainsA
    EC Number3.4.22.52
    EngineeredYES
    Expression SystemESCHERICHIA COLI BL21(DE3)
    Expression System PlasmidPET24D
    Expression System StrainBL21 DE3
    Expression System Taxid469008
    Expression System Vector TypePLASMID
    FragmentRESIDUES 27-356
    GeneCAPN1, CLS1
    Organism CommonNORWAY RAT
    Organism ScientificRATTUS NORVEGICUS
    Organism Taxid10116
    SynonymCALCIUM-ACTIVATED NEUTRAL PROTEINASE, CANP, MU-TYPE, MUCANP, MICROMOLAR-CALPAIN
 
Molecule 2 - LEUPEPTIN INHIBITOR
    ChainsB
    EngineeredYES
    SyntheticYES

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 4)

Asymmetric/Biological Unit (3, 4)
No.NameCountTypeFull Name
1ACE1Mod. Amino AcidACETYL GROUP
2AR71Mod. Amino AcidAMINO{[(4S)-4-AMINO-5,5-DIHYDROXYPENTYL]AMINO}METHANIMINIUM
3CA2Ligand/IonCALCIUM ION

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREVAL A:99 , GLY A:101 , ASP A:106 , GLU A:185 , HOH A:389 , HOH A:465BINDING SITE FOR RESIDUE CA A 1
2AC2SOFTWAREGLU A:302 , ASP A:309 , MET A:329 , ASP A:331 , GLU A:333 , HOH A:401BINDING SITE FOR RESIDUE CA A 2
3AC3SOFTWAREGLN A:57 , ASP A:59 , GLU A:72 , GLN A:109 , GLY A:113 , ASP A:114 , CYS A:115 , TRP A:116 , SER A:206 , GLY A:207 , GLY A:208 , GLU A:261 , GLY A:271 , HOH A:531 , HOH A:589 , HOH B:182 , HOH B:258BINDING SITE FOR CHAIN B OF LEUPEPTIN INHIBITOR

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1TL9)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1TL9)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1TL9)

(-) PROSITE Motifs  (2, 2)

Asymmetric/Biological Unit (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1CALPAIN_CATPS50203 Cysteine proteinase, calpain-type, catalytic domain profile.CAN1_RAT55-354  1A:55-353
2THIOL_PROTEASE_CYSPS00139 Eukaryotic thiol (cysteine) proteases cysteine active site.CAN1_RAT109-120  1A:109-120

(-) Exons   (0, 0)

(no "Exon" information available for 1TL9)

(-) 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:321
 aligned with CAN1_RAT | P97571 from UniProtKB/Swiss-Prot  Length:713

    Alignment length:321
                                    42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352 
             CAN1_RAT    33 NAIKYLGQDYENLRARCLQNGVLFQDDAFPPVSHSLGFKELGPNSSKTYGIKWKRPTELLSNPQFIVDGATRTDICQGALGDCWLLAAIASLTLNETILHRVVPYGQSFQEGYAGIFHFQLWQFGEWVDVVVDDLLPTKDGKLVFVHSAQGNEFWSALLEKAYAKVNGSYEALSGGCTSEAFEDFTGGVTEWYDLQKAPSDLYQIILKALERGSLLGCSINISDIRDLEAITFKNLVRGHAYSVTDAKQVTYQGQRVNLIRMRNPWGEVEWKGPWSDNSYEWNKVDPYEREQLRVKMEDGEFWMSFRDFIREFTKLEICNL 353
               SCOP domains d1tl9a_ A: Calpain large subunit, catalytic domain (domain II)                                                                                                                                                                                                                                                                    SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------Peptidase_C2-1tl9A01 A:55-353                                                                                                                                                                                                                                                                               Pfam domains
         Sec.struct. author ..ee.hhhhhhhhhhhhhhh...........hhhhhh.......hhhhh..eeehhhhhh..........hhhhh......hhhhhhhhhhhh.hhhhhhhhh............eeeeeeee..eeeeeeee..eeee..ee..........hhhhhhhhhhhhhhh.hhhhh..hhhhhhhhhhh..eeeee.hhh..hhhhhhhhhhhhh.eeeee....hhhhh.............eeeeeeeeeee..eeeeeeeee...............hhhhhhhhhhhhhhhh......eeeeehhhhhhhh.eeeee.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ----------------------CALPAIN_CAT  PDB: A:55-353 UniProt: 55-354                                                                                                                                                                                                                                                                  PROSITE (1)
                PROSITE (2) ----------------------------------------------------------------------------THIOL_PROTEA----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1tl9 A  33 NAIKYLGQDYENLRARCLQNGVLFQDDAFPPVSHSLGFKELGPNSSKTYGIKWKRPTELLSNPQFIVDGATRTDICQGALGDCWLLAAIASLTLNETILHRVVPYGQSFQEGYAGIFHFQLWQFGEWVDVVVDDLLPTKDGKLVFVHSAQGNEFWSALLEKAYAKVNGSYEALSGGCTSEAFEDFTGGVTEWYDLQKAPSDLYQIILKALERGSLLGCSINISDIRDLEAITFKNLVRGHAYSVTDAKQVTYQGQRVNLIRMRNPWGEVEWKGPWSDNSYEWNKVDPYEREQLRVKMEDGEFWMSFRDFIREFTKLEICNL 353
                                    42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352 

Chain B from PDB  Type:PROTEIN  Length:4
                                    
               SCOP domains ---- SCOP domains
               CATH domains ---- CATH domains
               Pfam domains ---- Pfam domains
         Sec.struct. author .... Sec.struct. author
                 SAPs(SNPs) ---- SAPs(SNPs)
                    PROSITE ---- PROSITE
                 Transcript ---- Transcript
                 1tl9 B 355 xLLx 358
                            |  |
                          355-ACE
                             358-AR7

   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, 1)

Asymmetric/Biological Unit

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 1TL9)

(-) Pfam Domains  (1, 1)

Asymmetric/Biological Unit

(-) Gene Ontology  (14, 14)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (CAN1_RAT | P97571)
molecular function
    GO:0005509    calcium ion binding    Interacting selectively and non-covalently with calcium ions (Ca2+).
    GO:0004198    calcium-dependent cysteine-type endopeptidase activity    Catalysis of the hydrolysis of nonterminal peptide bonds in a polypeptide chain by a mechanism using a cysteine residue at the enzyme active center, and requiring the presence of calcium.
    GO:0008234    cysteine-type peptidase activity    Catalysis of the hydrolysis of peptide bonds in a polypeptide chain by a mechanism in which the sulfhydryl group of a cysteine residue at the active center acts as a nucleophile.
    GO:0008092    cytoskeletal protein binding    Interacting selectively and non-covalently with any protein component of any cytoskeleton (actin, microtubule, or intermediate filament cytoskeleton).
    GO:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0008233    peptidase activity    Catalysis of the hydrolysis of a peptide bond. A peptide bond is a covalent bond formed when the carbon atom from the carboxyl group of one amino acid shares electrons with the nitrogen atom from the amino group of a second amino acid.
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
biological process
    GO:0016540    protein autoprocessing    Processing which a protein carries out itself. This involves actions such as the autolytic removal of residues to generate the mature form of the protein.
    GO:0006508    proteolysis    The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0005622    intracellular    The living contents of a cell; the matter contained within (but not including) the plasma membrane, usually taken to exclude large vacuoles and masses of secretory or ingested material. In eukaryotes it includes the nucleus and cytoplasm.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

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 Related Entries

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

UniProtKB/Swiss-Prot
        CAN1_RAT | P975711kxr 1qxp 1tlo 2g8e 2g8j 2nqg 2nqi 2r9c 2r9f

(-) Related Entries Specified in the PDB File

1dfo CRYSTAL STRUCTURE OF THE RAT CALPAIN II HETERODIMER
1kfu CRYSTAL STRUCTURE OF THE HUMAN CALPAIN II HETERODIMER FORM II
1kfx CRYSTAL STRUCTURE OF THE HUMAN CALPAIN II HETERODIMER FORM I
1kxr CRYSTAL STRUCTURE OF THE CALPAIN I PROTEASE CORE IN THE PRESENCE OF CALCIUM
1mdw CRYSTAL STRUCTURE OF THE CALPAIN II PROTEASE CORE IN THE PRESENCE OF CALCIUM
1nx0 CALPAIN DOMAIN VI COMPLEXED WITH CALPASTATIN INHIBITORY DOMAIN C
1tlo HIGH RESOLUTION CRYSTAL STRUCTURE OF CALPAIN I PROTEASE CORE IN COMPLEX WITH E64