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(-) Description

Title :  1.9A CRYSTAL STRUCTURE OF PROTEIN AQ328 FROM AQUIFEX AEOLICUS
 
Authors :  Y. Qiu, V. Tereshko, Y. Kim, R. Zhang, F. Collart, A. Joachimiak, A. Koss Midwest Center For Structural Genomics (Mcsg)
Date :  08 Oct 03  (Deposition) - 30 Mar 04  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.90
Chains :  Asym./Biol. Unit :  A
Keywords :  Structural Genomics, All-Alpha, Histon Fold, Psi, Protein Structure Initiative, Midwest Center For Structural Genomics, Mcsg, Unknown Function (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  Y. Qiu, V. Tereshko, Y. Kim, R. Zhang, F. Collart, M. Yousef, A. Kossiakoff, A. Joachimiak
The Crystal Structure Of Aq_328 From The Hyperthermophilic Bacteria Aquifex Aeolicus Shows An Ancestral Histone Fold.
Proteins V. 62 8 2006
PubMed-ID: 16287087  |  Reference-DOI: 10.1002/PROT.20590

(-) Compounds

Molecule 1 - HYPOTHETICAL PROTEIN AQ_328
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21
    Expression System Strain: BL21
    Expression System Taxid: 511693
    Gene: AQ_328
    Organism Scientific: AQUIFEX AEOLICUS
    Organism Taxid: 224324
    Strain: VF5

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 10)

Asymmetric/Biological Unit (3, 10)
No.NameCountTypeFull Name
1CAC1Ligand/IonCACODYLATE ION
2MSE6Mod. Amino AcidSELENOMETHIONINE
3ZN3Ligand/IonZINC ION

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:34 , GLU A:158 , GLU A:161 , CAC A:203BINDING SITE FOR RESIDUE ZN A 201
2AC2SOFTWAREASP A:33 , CAC A:203 , HOH A:514 , HOH A:518 , HOH A:520BINDING SITE FOR RESIDUE ZN A 202
3AC3SOFTWAREARG A:25 , ASP A:30 , ASP A:33 , HIS A:34 , ARG A:37 , GLU A:158 , GLU A:161 , ZN A:201 , ZN A:202 , HOH A:352 , HOH A:514 , HOH A:521BINDING SITE FOR RESIDUE CAC A 203
4AC4SOFTWAREGLU A:21 , ARG A:25 , ASP A:46 , HOH A:452BINDING SITE FOR RESIDUE ZN A 204

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1R4V)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1R4V)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1R4V)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1R4V)

(-) Exons   (0, 0)

(no "Exon" information available for 1R4V)

(-) Sequences/Alignments

Asymmetric/Biological Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
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  UniProt sequence: complete  aligned part    
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SAPs(SNPs) PROSITE motifs Exons
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Chain A from PDB  Type:PROTEIN  Length:151
 aligned with Y328_AQUAE | O66665 from UniProtKB/Swiss-Prot  Length:171

    Alignment length:151
                                    30        40        50        60        70        80        90       100       110       120       130       140       150       160       170 
           Y328_AQUAE    21 ETMLRPKGFDKLDHYFRTELDIDLTDETIELLLNSVKAAFGKLFYGAEQRARWNGRDFIALADLNITKALEEHIKNFQKIEQDMGVDELLEYIAFIPPVEMNVGEDLKSEYRNIMGGLLLMHADVIKKATGERKPSREAMEFVAQIVDKVF 171
               SCOP domains d1r4va_ A: Hypothetical protein Aq_328                                                                                                                  SCOP domains
               CATH domains 1r4vA00 A:21-171 Histone, subunit A                                                                                                                     CATH domains
               Pfam domains -----------DUF1931-1r4vA01 A:32-168                                                                                                                 --- Pfam domains
         Sec.struct. author .......hhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhh..hhhhhhhhh...eehhhhh..hhhhhhhhhhhhh.....hhhhhhhhhh.......eehhhhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1r4v A  21 ETmLRPKGFDKLDHYFRTELDIDLTDETIELLLNSVKAAFGKLFYGAEQRARWNGRDFIALADLNITKALEEHIKNFQKIEQDmGVDELLEYIAFIPPVEmNVGEDLKSEYRNImGGLLLmHADVIKKATGERKPSREAmEFVAQIVDKVF 171
                              |     30        40        50        60        70        80        90       100   |   110       120|      130    |  140|      150       160       170 
                              |                                                                              104-MSE          121-MSE       135-MSE |                160-MSE       
                             23-MSE                                                                                                               141-MSE
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  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
(-)
Class: All alpha proteins (14657)

(-) CATH Domains  (1, 1)

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

(-) Pfam Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Clan: no clan defined [family: DUF1931] (3)

(-) Gene Ontology  (1, 1)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (Y328_AQUAE | O66665)
molecular function
    GO:0046982    protein heterodimerization activity    Interacting selectively and non-covalently with a nonidentical protein to form a heterodimer.

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