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(-) Description

Title :  CRYSTAL STRUCTURE OF O67745, A HYPOTHETICAL PROTEIN FROM AQUIFEX AEOLICUS AT 2.0 A RESOLUTION.
 
Authors :  V. Oganesyan, J. Jancarik, P. D. Adams, R. Kim, S. H. Kim, Berkeley Stru Genomics Center (Bsgc)
Date :  21 Jun 06  (Deposition) - 04 Jul 06  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.00
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A,B  (2x)
Keywords :  Predominantly Alpha Helical Protein With Gdp Binding Site And Active Site Being Far From Each Other, Structural Genomics, Psi, Protein Structure Initiative, Berkeley Structural Genomics Center, Bsgc, Unknown Function (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  V. Oganesyan, P. D. Adams, J. Jancarik, R. Kim, S. H. Kim
Structure Of O67745_aquae, A Hypothetical Protein From Aquifex Aeolicus.
Acta Crystallogr. , Sect. F V. 63 369 2007
PubMed-ID: 17565173  |  Reference-DOI: 10.1107/S1744309107018945

(-) Compounds

Molecule 1 - HYPOTHETICAL PROTEIN
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI K12
    Expression System Plasmid: PB2.1275B
    Expression System Strain: K12
    Expression System Taxid: 83333
    Expression System Vector Type: PLASMID
    Organism Scientific: AQUIFEX AEOLICUS
    Organism Taxid: 63363

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (2x): AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (6, 22)

Asymmetric Unit (6, 22)
No.NameCountTypeFull Name
1BR1Ligand/IonBROMIDE ION
2CL5Ligand/IonCHLORIDE ION
3GDP2Ligand/IonGUANOSINE-5'-DIPHOSPHATE
4GOL8Ligand/IonGLYCEROL
5PO44Ligand/IonPHOSPHATE ION
6ZN2Ligand/IonZINC ION
Biological Unit 1 (3, 28)
No.NameCountTypeFull Name
1BR-1Ligand/IonBROMIDE ION
2CL-1Ligand/IonCHLORIDE ION
3GDP4Ligand/IonGUANOSINE-5'-DIPHOSPHATE
4GOL16Ligand/IonGLYCEROL
5PO48Ligand/IonPHOSPHATE ION
6ZN-1Ligand/IonZINC ION

(-) Sites  (22, 22)

Asymmetric Unit (22, 22)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREGLN A:36 , ARG A:51 , HIS A:54 , HIS A:84 , ASP A:85 , ASP A:161 , ZN A:602 , HOH A:629BINDING SITE FOR RESIDUE PO4 A 501
02AC2SOFTWAREHIS A:54 , ASP A:85 , ASP A:161 , PO4 A:501 , HOH A:607BINDING SITE FOR RESIDUE ZN A 602
03AC3SOFTWAREGLY A:16 , GLY A:19 , TYR A:59 , GLU A:75BINDING SITE FOR RESIDUE CL A 604
04AC4SOFTWARELEU A:39 , PHE A:91 , SER A:92 , HOH A:728BINDING SITE FOR RESIDUE CL A 606
05AC5SOFTWAREARG B:51 , HIS B:54 , HIS B:84 , ASP B:85 , HIS B:88 , ASP B:161 , GOL B:405 , ZN B:601BINDING SITE FOR RESIDUE PO4 B 502
06AC6SOFTWAREGLY B:174 , VAL B:175 , SER B:176 , TYR B:177BINDING SITE FOR RESIDUE PO4 B 503
07AC7SOFTWAREGLU B:73 , LYS B:74 , GLU B:75 , LEU B:76 , TYR B:126 , HOH B:760BINDING SITE FOR RESIDUE PO4 B 504
08AC8SOFTWAREHIS B:54 , ASP B:85 , ASP B:161 , PO4 B:502 , HOH B:609BINDING SITE FOR RESIDUE ZN B 601
09AC9SOFTWAREGLY B:16 , GLY B:19 , TYR B:59 , GLU B:75BINDING SITE FOR RESIDUE BR B 603
10BC1SOFTWARELEU B:39 , SER B:92 , HOH B:654BINDING SITE FOR RESIDUE CL B 605
11BC2SOFTWAREARG B:162 , TYR B:165 , ARG B:213 , TYR B:217BINDING SITE FOR RESIDUE CL B 607
12BC3SOFTWAREHIS B:60 , ARG B:64 , TYR B:182BINDING SITE FOR RESIDUE CL B 608
13BC4SOFTWARELEU A:42 , VAL A:43 , ARG A:280 , HIS A:282 , GOL A:404 , LYS B:3 , GLU B:4 , PHE B:5 , ASP B:24 , GLN B:29 , ARG B:32 , PHE B:52BINDING SITE FOR RESIDUE GDP A 401
14BC5SOFTWARELYS A:3 , GLU A:4 , PHE A:5 , LEU A:20 , ASP A:24 , GLN A:29 , ARG A:32 , HOH A:749 , LEU B:42 , VAL B:43 , HIS B:282BINDING SITE FOR RESIDUE GDP A 402
15BC6SOFTWAREPHE A:5 , SER A:6 , VAL B:43 , PHE B:44 , HIS B:223BINDING SITE FOR RESIDUE GOL A 403
16BC7SOFTWAREVAL A:43 , HIS A:223 , GDP A:401 , PHE B:5 , SER B:6 , PHE B:12BINDING SITE FOR RESIDUE GOL A 404
17BC8SOFTWAREARG A:167 , PHE A:179 , PHE A:180 , HOH A:738BINDING SITE FOR RESIDUE GOL A 406
18BC9SOFTWAREGLN A:36 , LEU A:37 , TYR A:165 , ASP A:169 , TYR A:221 , HOH A:768BINDING SITE FOR RESIDUE GOL A 407
19CC1SOFTWAREPHE A:278 , GLN A:279 , PHE B:26 , HOH B:766BINDING SITE FOR RESIDUE GOL A 408
20CC2SOFTWAREILE A:61 , ARG A:167 , PHE A:180 , ASP A:181 , TYR A:182 , ASP A:183 , HOH A:650BINDING SITE FOR RESIDUE GOL A 410
21CC3SOFTWAREGLN B:36 , LEU B:37 , ARG B:51 , TYR B:165 , ASP B:169 , PO4 B:502 , HOH B:620 , HOH B:662BINDING SITE FOR RESIDUE GOL B 405
22CC4SOFTWARETYR A:177 , GLY A:178 , PHE A:179 , ASN A:208 , TYR B:177 , PHE B:179 , ASN B:208 , SER B:212 , HOH B:758BINDING SITE FOR RESIDUE GOL B 409

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2HEK)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2HEK)

(-) Exons   (0, 0)

(no "Exon" information available for 2HEK)

(-) Sequences/Alignments

Asymmetric 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:369
 aligned with O67745_AQUAE | O67745 from UniProtKB/TrEMBL  Length:371

    Alignment length:369
                                    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       360         
         O67745_AQUAE     1 MIKEFSDPLYGFVRVGEAGLRLIDSFPFQRLRYVKQLGLAYLVFPSAQHTRFEHSLGVYHITERICESLKVKEKELVKLAGLLHDLGHPPFSHTTEVLLPRERSHEDFTERVIKETEIYEILKQDYSHEDIERLVRITLGKPEDEEEKLLSEIITGEFGSDRMDYLRRDAYFCGVSYGFFDYDRLISTLRVYENKVVVDESGLRALENFLISRYFMYVQVYFHKVVRILSIHLVEFLKKLISQEDFTDINNFLRLNDAFVISELFKRKAFREDFERIFQRKHFKTLLSTENYEKFSETKERLLEKFPQEKVRFDEVEKEVYGGNIYVLSSEGLKKAHELSPLIASLKPIKLYRIYVDRQLWEKARSELK 369
               SCOP domains d2heka1 A:1-369 Hypothetical protein aq_1910                                                                                                                                                                                                                                                                                                                                      SCOP domains
               CATH domains 2hekA01 A:1-281 Hypothetical protein af1432                                                                                                                                                                                                                                              2hekA02 A:282-369 HD domain like                                                         CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee...eeeeeehhhhhhhhhhhhhhhhhh....hhhhh......hhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhh..........hhhhhh.......hhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhh...hhhhhhhhhhhhh..hhhhhhhhhhhhhhhh.......hhhhhhheeee..eeeee..hhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhh.......hhhhhh.hhhhhhhhhhhh..hhhhhhhhhh....eeeeee.hhhhhhhhhhhhhhhhhhh.eeeeeeee.......eeee..eeeehhhhhhhhhhh..eeeeeeee...hhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2hek A   1 MIKEFSDPLYGFVRVGEAGLRLIDSFPFQRLRYVKQLGLAYLVFPSAQHTRFEHSLGVYHITERICESLKVKEKELVKLAGLLHDLGHPPFSHTTEVLLPRERSHEDFTERVIKETEIYEILKQDYSHEDIERLVRITLGKPEDEEEKLLSEIITGEFGSDRMDYLRRDAYFCGVSYGFFDYDRLISTLRVYENKVVVDESGLRALENFLISRYFMYVQVYFHKVVRILSIHLVEFLKKLISQEDFTDINNFLRLNDAFVISELFKRKAFREDFERIFQRKHFKTLLSTENYEKFSETKERLLEKFPQEKVRFDEVEKEVYGGNIYVLSSEGLKKAHELSPLIASLKPIKLYRIYVDRQLWEKARSELK 369
                                    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       360         


Chain B from PDB  Type:PROTEIN  Length:369
 aligned with O67745_AQUAE | O67745 from UniProtKB/TrEMBL  Length:371

    Alignment length:369
                                    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       360         
         O67745_AQUAE     1 MIKEFSDPLYGFVRVGEAGLRLIDSFPFQRLRYVKQLGLAYLVFPSAQHTRFEHSLGVYHITERICESLKVKEKELVKLAGLLHDLGHPPFSHTTEVLLPRERSHEDFTERVIKETEIYEILKQDYSHEDIERLVRITLGKPEDEEEKLLSEIITGEFGSDRMDYLRRDAYFCGVSYGFFDYDRLISTLRVYENKVVVDESGLRALENFLISRYFMYVQVYFHKVVRILSIHLVEFLKKLISQEDFTDINNFLRLNDAFVISELFKRKAFREDFERIFQRKHFKTLLSTENYEKFSETKERLLEKFPQEKVRFDEVEKEVYGGNIYVLSSEGLKKAHELSPLIASLKPIKLYRIYVDRQLWEKARSELK 369
               SCOP domains d2hekb_ B: automated matches                                                                                                                                                                                                                                                                                                                                                      SCOP domains
               CATH domains 2hekB01 B:1-281 Hypothetical protein af1432                                                                                                                                                                                                                                              2hekB02 B:282-369 HD domain like                                                         CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeee...eeeeehhhhhhhhhhhhhhhhhhh..hhhhhhh......hhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhh..........hhhhhh.......hhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhh...hhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhh.hhhhhhhheeee..eeeee..hhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhh.....hhhhhhh.hhhhhhhhhhhh..hhhhhhhhhh....eeeeee.hhhhhhhhhhhhhhhhhhh.eeeeeeee.......eeee..eeeehhhhhhhhhhh..eeeeeeee...hhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2hek B   1 MIKEFSDPLYGFVRVGEAGLRLIDSFPFQRLRYVKQLGLAYLVFPSAQHTRFEHSLGVYHITERICESLKVKEKELVKLAGLLHDLGHPPFSHTTEVLLPRERSHEDFTERVIKETEIYEILKQDYSHEDIERLVRITLGKPEDEEEKLLSEIITGEFGSDRMDYLRRDAYFCGVSYGFFDYDRLISTLRVYENKVVVDESGLRALENFLISRYFMYVQVYFHKVVRILSIHLVEFLKKLISQEDFTDINNFLRLNDAFVISELFKRKAFREDFERIFQRKHFKTLLSTENYEKFSETKERLLEKFPQEKVRFDEVEKEVYGGNIYVLSSEGLKKAHELSPLIASLKPIKLYRIYVDRQLWEKARSELK 369
                                    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       360
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
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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  (2, 2)

Asymmetric Unit
(-)
Class: All alpha proteins (14657)

(-) CATH Domains  (2, 4)

Asymmetric Unit
(-)
Class: Alpha Beta (26913)
(-)
Class: Mainly Alpha (13335)

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (3, 3)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (O67745_AQUAE | O67745)
molecular function
    GO:0008832    dGTPase activity    Catalysis of the reaction: dGTP + H(2)O = 2'-deoxyguanosine + 2 H(+) + triphosphate.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
biological process
    GO:0006203    dGTP catabolic process    The chemical reactions and pathways resulting in the breakdown of dGTP, guanosine triphosphate.

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