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(-) Description

Title :  CRYSTAL STRUCTURE OF TRYPANOSOMA CRUZI ARGININE KINASE
 
Authors :  P. Fernandez, A. Haouz, C. A. Pereira, C. Aguilar, P. M. Alzari
Date :  15 Aug 06  (Deposition) - 24 Jul 07  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.90
Chains :  Asym./Biol. Unit :  A
Keywords :  Kinase, Transferase, Arginine Kinase, Guanidino Kinase, Phosphagen Kinase, Trypanosoma Cruzi (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  P. Fernandez, A. Haouz, C. A. Pereira, C. Aguilar, P. M. Alzari
The Crystal Structure Of Trypanosoma Cruzi Arginine Kinase.
Proteins V. 69 209 2007
PubMed-ID: 17623863  |  Reference-DOI: 10.1002/PROT.21557

(-) Compounds

Molecule 1 - ARGININE KINASE
    Chains: A
    EC Number: 2.7.3.3
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Strain: BL21
    Expression System Taxid: 511693
    Expression System Vector: PRSETA
    Organism Scientific: TRYPANOSOMA CRUZI
    Organism Taxid: 5693
    Synonym: AK

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 1)

Asymmetric/Biological Unit (1, 1)
No.NameCountTypeFull Name
1GOL1Ligand/IonGLYCEROL

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWARESER A:104 , CYS A:127 , ARG A:129 , PHE A:243 , VAL A:250 , GLU A:335 , HOH A:2166BINDING SITE FOR RESIDUE GOL A1356

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2J1Q)

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Trp A:204 -Pro A:205

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2J1Q)

(-) PROSITE Motifs  (3, 3)

Asymmetric/Biological Unit (3, 3)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1PHOSPHAGEN_KINASE_NPS51509 Phosphagen kinase N-terminal domain profile.KARG_TRYCR9-91  1A:9-91
2PHOSPHAGEN_KINASE_CPS51510 Phosphagen kinase C-terminal domain profile.KARG_TRYCR119-356  1A:119-355
3PHOSPHAGEN_KINASEPS00112 Phosphagen kinase active site signature.KARG_TRYCR271-277  1A:271-277

(-) Exons   (0, 0)

(no "Exon" information available for 2J1Q)

(-) 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:339
 aligned with KARG_TRYCR | O96507 from UniProtKB/Swiss-Prot  Length:357

    Alignment length:355
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350     
           KARG_TRYCR     1 MASAEVVSKLEAAFAKLQNASDCHSLLKKYLTKEVFDQLKGKQTKMGATLMDVIQSGVENLDSGIGVYAPDAESYTLFAALFDPIIEDYHKGFKPSDKQPPKDFGDLNTFIDVDPDKKYVISTRVRCGRSLEGYPFNPCLKKQQYEEMESRVKGQLESMSGELRGKYYPLTGMTKETQKQLIDDHFLFKEGDRFLQAAHACKFWPTGRGIYHNDAKTFLVWVNEEDHLRIISMQKGGNLKEVFGRLVTAVGVIEEKVKFSRDDRLGFLTFCPTNLGTTIRASVHIKLPKLGADRKKLEEVAAKYNLQVRGTAGEHSDSPDGVYDISNKRRLGLSEYEAVKEMQDGILELIKAEES 355
               SCOP domains d2j1qa1 A:1-95 automated matches                                                               d2j1qa2 A:96-355 automated matches                                                                                                                                                                                                                                   SCOP domains
               CATH domains 2j1qA01 A:1-95 Transferase Creatine Kinase, Chain A, domain 1                                  -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhh.........hhhhhhhhhhh............hhhhhhhhhhhhhhhhhh...............hhhhh.........eeeeeeeeee......hhhhhhhhhhhhhhhhhhhhhhh.hhhh.eeeee....hhhhhhhhhhh.......hhhhhhh..........eeeee....eeeee.....eeeeeeee..hhhhhhhhhhhhhhhhhh.....ee...ee...hhhhh....eeeeeee..-----..hhhhhhhhh.eeee-----------.eeeeee......hhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) --------PHOSPHAGEN_KINASE_N  PDB: A:9-91 UniProt: 9-91                                     ---------------------------PHOSPHAGEN_KINASE_C  PDB: A:119-355 UniProt: 119-356                                                                                                                                                                                          PROSITE (1)
                PROSITE (2) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------PHOSPHA------------------------------------------------------------------------------ PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2j1q A   1 MASAEVVSKLEAAFAKLQNASDCHSLLKKYLTKEVFDQLKGKQTKMGATLMDVIQSGVENLDSGIGVYAPDAESYTLFAALLDPIIEDYHKGFKPSDKQPPKDSGDLNTFIDVDPDKKYVISTRVRCGRSLEGYPFNPCLKKQQYEEMESRVKGQLESMSGELRGKYYPLTGMTKETQKQLIDDHFLFKEGDRFLQAAHACKFWPTGRGIYHNDAKTFLVWVNEEDHLRIISMQKGGNLKEVFGRLVTAVGVIEEKVKFSRDDRLGFLTFCPTNLGTTIRASVHIKLP-----RKKLEEVAAKYNLQVR-----------GVYDISNKRRLGLSEYEAVKEMQDGILELIKAEES 355
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       | -   |   300        |-         -|      330       340       350     
                                                                                                                                                                                                                                                                                                                         288   294            309         321
   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  (2, 2)

Asymmetric/Biological Unit
(-)
Class: All alpha proteins (14657)
(-)
Class: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Class: Mainly Alpha (13335)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2J1Q)

(-) Gene Ontology  (8, 8)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (KARG_TRYCR | O96507)
molecular function
    GO:0005524    ATP binding    Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
    GO:0004054    arginine kinase activity    Catalysis of the reaction: L-arginine + ATP = N(omega)-phospho-L-arginine + ADP + 2 H(+).
    GO:0003824    catalytic activity    Catalysis of a biochemical reaction at physiological temperatures. In biologically catalyzed reactions, the reactants are known as substrates, and the catalysts are naturally occurring macromolecular substances known as enzymes. Enzymes possess specific binding sites for substrates, and are usually composed wholly or largely of protein, but RNA that has catalytic activity (ribozyme) is often also regarded as enzymatic.
    GO:0016301    kinase activity    Catalysis of the transfer of a phosphate group, usually from ATP, to a substrate molecule.
    GO:0000166    nucleotide binding    Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
    GO:0016740    transferase activity    Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.
    GO:0016772    transferase activity, transferring phosphorus-containing groups    Catalysis of the transfer of a phosphorus-containing group from one compound (donor) to another (acceptor).
biological process
    GO:0016310    phosphorylation    The process of introducing a phosphate group into a molecule, usually with the formation of a phosphoric ester, a phosphoric anhydride or a phosphoric amide.

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