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(-) Description

Title :  ENSEMBLE REFINEMENT OF THE PROTEIN CRYSTAL STRUCTURE OF GENE PRODUCT FROM ARABIDOPSIS THALIANA AT2G19940
 
Authors :  E. J. Levin, D. A. Kondrashov, G. E. Wesenberg, G. N. Phillips Jr. , Cent Eukaryotic Structural Genomics (Cesg)
Date :  31 May 07  (Deposition) - 19 Jun 07  (Release) - 10 Aug 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.19
Chains :  Asym. Unit :  A,B,C,D  (8x)
Biol. Unit 1:  A,B,C,D  (1x)
Keywords :  Ensemble Refinement, Refinement Methodology Development, At2G19940, Cath 3. 40. 50 Fold, Semialdehyde Dehydrogenase Family, Tetramer, Structural Genomics, Protein Structure Initiative, Psi, Center For Eukaryotic Structural Genomics, Cesg, Oxidoreductase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  E. J. Levin, D. A. Kondrashov, G. E. Wesenberg, G. N. Phillips
Ensemble Refinement Of Protein Crystal Structures: Validation And Application.
Structure V. 15 1040 2007
PubMed-ID: 17850744  |  Reference-DOI: 10.1016/J.STR.2007.06.019

(-) Compounds

Molecule 1 - PROBABLE N-ACETYL-GAMMA-GLUTAMYL-PHOSPHATE REDUCTASE
    ChainsA, B, C, D
    EC Number1.2.1.38
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPVP-17
    Expression System StrainB834 P(RARE2)
    Expression System Taxid562
    Expression System Vector TypePLASMID
    GeneAT2G19940, F6F22.3
    Organism CommonTHALE CRESS
    Organism ScientificARABIDOPSIS THALIANA
    Organism Taxid3702
    StrainCV. COLUMBIA
    SynonymAGPR, N-ACETYL-GLUTAMATE SEMIALDEHYDE DEHYDROGENASE, NAGSA DEHYDROGENASE

 Structural Features

(-) Chains, Units

  1234
Asymmetric Unit (8x)ABCD
Biological Unit 1 (1x)ABCD

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 2Q49)

(-) Sites  (0, 0)

(no "Site" information available for 2Q49)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2Q49)

(-) Cis Peptide Bonds  (4, 32)

Asymmetric Unit
No.ModelResidues
11, 2, 3, 4, 5, 6, 7, 8Phe A:358 -Pro A:359
21, 2, 3, 4, 5, 6, 7, 8Phe B:358 -Pro B:359
31, 2, 3, 4, 5, 6, 7, 8Phe C:358 -Pro C:359
41, 2, 3, 4, 5, 6, 7, 8Phe D:358 -Pro D:359

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2Q49)

(-) PROSITE Motifs  (1, 4)

Asymmetric Unit (1, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1ARGCPS01224 N-acetyl-gamma-glutamyl-phosphate reductase active site.ARGC_ARATH200-216
 
 
 
  4A:158-174
B:158-174
C:158-174
D:158-174
Biological Unit 1 (1, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1ARGCPS01224 N-acetyl-gamma-glutamyl-phosphate reductase active site.ARGC_ARATH200-216
 
 
 
  4A:158-174
B:158-174
C:158-174
D:158-174

(-) Exons   (0, 0)

(no "Exon" information available for 2Q49)

(-) 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:345
 aligned with ARGC_ARATH | Q93Z70 from UniProtKB/Swiss-Prot  Length:401

    Alignment length:345
                                    66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306       316       326       336       346       356       366       376       386       396     
           ARGC_ARATH    57 KDIRIGLLGASGYTGAEIVRLLANHPHFQVTLMTADRKAGQSMESVFPHLRAQKLPTLVSVKDADFSTVDAVFCCLPHGTTQEIIKELPTALKIVDLSADFRLRNIAEYEEWYGQPHKAVELQKEVVYGLTEILREDIKKARLVANPGCYPTTIQLPLVPLLKANLIKHENIIIDAKSGVSGAGRGAKEANLYSEIAEGISSYGVTRHRHVPEIEQGLSDVAQSKVTVSFTPHLMPMIRGMQSTIYVEMAPGVRTEDLHQQLKTSYEDEEFVKVLDEGVVPRTHNVRGSNYCHMSVFPDRIPGRAIIISVIDNLVKGASGQALQNLNIMLGYPETTGLLHQPLFP 401
               SCOP domains d2q49a1 A:15-162,A:327-359 N-acetyl-gamma-glutamyl-phosphate reductase ArgC                                                                         d2q49a2 A:163-326 N-acetyl-gamma-glutamyl-phosphate reductase ArgC                                                                                                  d2q49a1 A:15-162,A:327-359        SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------2q49A02 A:161-327 Dihydrodipicolinate Reductase; domain 2                                                                                                              -------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeee...hhhhhhhhhhhhh...eeeeeee.......hhhhhhhhhh......ee.....hhhhh.eeee......hhhhhhh.....eeee........hhhhhhhhhh....hhhhhh..ee.hhhhhhhhhhh..eee..hhhhhhhhhhhhhhhhh........eeeeeee.hhhh...hhhhhhhhh....ee.......hhhhhhhhhhhhhh.....ee..eee.....eeeeeeee.....hhhhhhhhhhhhhh....eee.......hhhhh.....eeeeeee.....eeeeeeee......hhhhhhhhhhhhh............... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -----------------------------------------------------------------------------------------------------------------------------------------------ARGC             ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2q49 A  15 KDIRIGLLGASGYTGAEIVRLLANHPHFQVTLMTADRKAGQSMESVFPHLRAQKLPTLVSVKDADFSTVDAVFCCLPHGTTQEIIKELPTALKIVDLSADFRLRNIAEYEEWYGQPHKAVELQKEVVYGLTEILREDIKKARLVANPGCYPTTIQLPLVPLLKANLIKHENIIIDAKSGVSGAGRGAKEANLYSEIAEGISSYGVTRHRHVPEIEQGLSDVAQSKVTVSFTPHLMPMIRGMQSTIYVEMAPGVRTEDLHQQLKTSYEDEEFVKVLDEGVVPRTHNVRGSNYCHMSVFPDRIPGRAIIISVIDNLVKGASGQALQNLNIMLGYPETTGLLHQPLFP 359
                                    24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354     

Chain B from PDB  Type:PROTEIN  Length:345
 aligned with ARGC_ARATH | Q93Z70 from UniProtKB/Swiss-Prot  Length:401

    Alignment length:345
                                    66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306       316       326       336       346       356       366       376       386       396     
           ARGC_ARATH    57 KDIRIGLLGASGYTGAEIVRLLANHPHFQVTLMTADRKAGQSMESVFPHLRAQKLPTLVSVKDADFSTVDAVFCCLPHGTTQEIIKELPTALKIVDLSADFRLRNIAEYEEWYGQPHKAVELQKEVVYGLTEILREDIKKARLVANPGCYPTTIQLPLVPLLKANLIKHENIIIDAKSGVSGAGRGAKEANLYSEIAEGISSYGVTRHRHVPEIEQGLSDVAQSKVTVSFTPHLMPMIRGMQSTIYVEMAPGVRTEDLHQQLKTSYEDEEFVKVLDEGVVPRTHNVRGSNYCHMSVFPDRIPGRAIIISVIDNLVKGASGQALQNLNIMLGYPETTGLLHQPLFP 401
               SCOP domains d2q49b1 B:15-162,B:327-359 N-acetyl-gamma-glutamyl-phosphate reductase ArgC                                                                         d2q49b2 B:163-326 N-acetyl-gamma-glutamyl-phosphate reductase ArgC                                                                                                  d2q49b1 B:15-162,B:327-359        SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------2q49B02 B:161-327 Dihydrodipicolinate Reductase; domain 2                                                                                                              -------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeee...hhhhhhhhhhhhh...eeeeeeehhhhh..hhhhhhhhhh...................eeee.....hhhhhhhh.....eeee........hhhhhhhhhh....hhhhhh..ee.hhhhhhhhhhhh.eee..hhhhhhhhhhhhhhhhh........eeeeeee.hhhh...hhhhhhhhhh...ee......hhhhhhhhhhhhhhh.....eee.eee.....eeeeeeee.....hhhhhhhhhhhhhh....eee.......hhhhhh....eeeeeee.....eeeeeeee......hhhhhhhhhhhhh............... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -----------------------------------------------------------------------------------------------------------------------------------------------ARGC             ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2q49 B  15 KDIRIGLLGASGYTGAEIVRLLANHPHFQVTLMTADRKAGQSMESVFPHLRAQKLPTLVSVKDADFSTVDAVFCCLPHGTTQEIIKELPTALKIVDLSADFRLRNIAEYEEWYGQPHKAVELQKEVVYGLTEILREDIKKARLVANPGCYPTTIQLPLVPLLKANLIKHENIIIDAKSGVSGAGRGAKEANLYSEIAEGISSYGVTRHRHVPEIEQGLSDVAQSKVTVSFTPHLMPMIRGMQSTIYVEMAPGVRTEDLHQQLKTSYEDEEFVKVLDEGVVPRTHNVRGSNYCHMSVFPDRIPGRAIIISVIDNLVKGASGQALQNLNIMLGYPETTGLLHQPLFP 359
                                    24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354     

Chain C from PDB  Type:PROTEIN  Length:345
 aligned with ARGC_ARATH | Q93Z70 from UniProtKB/Swiss-Prot  Length:401

    Alignment length:345
                                    66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306       316       326       336       346       356       366       376       386       396     
           ARGC_ARATH    57 KDIRIGLLGASGYTGAEIVRLLANHPHFQVTLMTADRKAGQSMESVFPHLRAQKLPTLVSVKDADFSTVDAVFCCLPHGTTQEIIKELPTALKIVDLSADFRLRNIAEYEEWYGQPHKAVELQKEVVYGLTEILREDIKKARLVANPGCYPTTIQLPLVPLLKANLIKHENIIIDAKSGVSGAGRGAKEANLYSEIAEGISSYGVTRHRHVPEIEQGLSDVAQSKVTVSFTPHLMPMIRGMQSTIYVEMAPGVRTEDLHQQLKTSYEDEEFVKVLDEGVVPRTHNVRGSNYCHMSVFPDRIPGRAIIISVIDNLVKGASGQALQNLNIMLGYPETTGLLHQPLFP 401
               SCOP domains d2q49c1 C:15-162,C:327-359 N-acetyl-gamma-glutamyl-phosphate reductase ArgC                                                                         d2q49c2 C:163-326 N-acetyl-gamma-glutamyl-phosphate reductase ArgC                                                                                                  d2q49c1 C:15-162,C:327-359        SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------2q49C02 C:161-327 Dihydrodipicolinate Reductase; domain 2                                                                                                              -------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeee...hhhhhhhhhhhh....eee....hhhhh..hhhhhhhhhh...................eeee.....hhhhhhhh.....eeee........hhhhhhhhhh....hhhhhh.eee.hhhhhhhhhhh..eee..hhhhhhhhhhhhhhhhh........eeeeeee.hhhh...hhhhhhhhhh...ee......hhhhhhhhhhhhhhh.....eee.eee.....eeeeeeee.....hhhhhhhhhhhhh.....eee.................eeeeeee.....eeeeeeee......hhhhhhhhhhhhh............... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -----------------------------------------------------------------------------------------------------------------------------------------------ARGC             ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2q49 C  15 KDIRIGLLGASGYTGAEIVRLLANHPHFQVTLMTADRKAGQSMESVFPHLRAQKLPTLVSVKDADFSTVDAVFCCLPHGTTQEIIKELPTALKIVDLSADFRLRNIAEYEEWYGQPHKAVELQKEVVYGLTEILREDIKKARLVANPGCYPTTIQLPLVPLLKANLIKHENIIIDAKSGVSGAGRGAKEANLYSEIAEGISSYGVTRHRHVPEIEQGLSDVAQSKVTVSFTPHLMPMIRGMQSTIYVEMAPGVRTEDLHQQLKTSYEDEEFVKVLDEGVVPRTHNVRGSNYCHMSVFPDRIPGRAIIISVIDNLVKGASGQALQNLNIMLGYPETTGLLHQPLFP 359
                                    24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354     

Chain D from PDB  Type:PROTEIN  Length:345
 aligned with ARGC_ARATH | Q93Z70 from UniProtKB/Swiss-Prot  Length:401

    Alignment length:345
                                    66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306       316       326       336       346       356       366       376       386       396     
           ARGC_ARATH    57 KDIRIGLLGASGYTGAEIVRLLANHPHFQVTLMTADRKAGQSMESVFPHLRAQKLPTLVSVKDADFSTVDAVFCCLPHGTTQEIIKELPTALKIVDLSADFRLRNIAEYEEWYGQPHKAVELQKEVVYGLTEILREDIKKARLVANPGCYPTTIQLPLVPLLKANLIKHENIIIDAKSGVSGAGRGAKEANLYSEIAEGISSYGVTRHRHVPEIEQGLSDVAQSKVTVSFTPHLMPMIRGMQSTIYVEMAPGVRTEDLHQQLKTSYEDEEFVKVLDEGVVPRTHNVRGSNYCHMSVFPDRIPGRAIIISVIDNLVKGASGQALQNLNIMLGYPETTGLLHQPLFP 401
               SCOP domains d2q49d1 D:15-162,D:327-359 N-acetyl-gamma-glutamyl-phosphate reductase ArgC                                                                         d2q49d2 D:163-326 N-acetyl-gamma-glutamyl-phosphate reductase ArgC                                                                                                  d2q49d1 D:15-162,D:327-359        SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------2q49D02 D:161-327 Dihydrodipicolinate Reductase; domain 2                                                                                                              -------------------------------- CATH domains
           Pfam domains (1) ---Semialdhyde_dh-2q49D05 D:18-155                                                                                                           ----------------Semialdhyde_dhC-2q49D01 D:172-330                                                                                                                              ----------------------------- Pfam domains (1)
           Pfam domains (2) ---Semialdhyde_dh-2q49D06 D:18-155                                                                                                           ----------------Semialdhyde_dhC-2q49D02 D:172-330                                                                                                                              ----------------------------- Pfam domains (2)
           Pfam domains (3) ---Semialdhyde_dh-2q49D07 D:18-155                                                                                                           ----------------Semialdhyde_dhC-2q49D03 D:172-330                                                                                                                              ----------------------------- Pfam domains (3)
           Pfam domains (4) ---Semialdhyde_dh-2q49D08 D:18-155                                                                                                           ----------------Semialdhyde_dhC-2q49D04 D:172-330                                                                                                                              ----------------------------- Pfam domains (4)
         Sec.struct. author ..eeeeee...hhhhhhhhhhhhh...eeeeeee.......hhhhhhhhhh........hhhhh......eeee.....hhhhhhhh......eee........hhhhhhhhhh....hhhhhh..ee.hhhhhhhhhh...eee..hhhhhhhhhhhhhhhhh........eeeeeee.hhhh...hhhhhhhhhh............hhhhhhhhhhhhhh.....eee..ee.....eeeeeeee.....hhhhhhhhhhhhh.....eee.......hhhhh.....eeeeeee.....eeeeeeee......hhhhhhhhhhhh................ Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -----------------------------------------------------------------------------------------------------------------------------------------------ARGC             ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2q49 D  15 KDIRIGLLGASGYTGAEIVRLLANHPHFQVTLMTADRKAGQSMESVFPHLRAQKLPTLVSVKDADFSTVDAVFCCLPHGTTQEIIKELPTALKIVDLSADFRLRNIAEYEEWYGQPHKAVELQKEVVYGLTEILREDIKKARLVANPGCYPTTIQLPLVPLLKANLIKHENIIIDAKSGVSGAGRGAKEANLYSEIAEGISSYGVTRHRHVPEIEQGLSDVAQSKVTVSFTPHLMPMIRGMQSTIYVEMAPGVRTEDLHQQLKTSYEDEEFVKVLDEGVVPRTHNVRGSNYCHMSVFPDRIPGRAIIISVIDNLVKGASGQALQNLNIMLGYPETTGLLHQPLFP 359
                                    24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354     

   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, 8)

Asymmetric Unit

(-) CATH Domains  (1, 4)

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

(-) Pfam Domains  (2, 8)

Asymmetric Unit

(-) Gene Ontology  (16, 16)

Asymmetric Unit(hide GO term definitions)
Chain A,B,C,D   (ARGC_ARATH | Q93Z70)
molecular function
    GO:0003942    N-acetyl-gamma-glutamyl-phosphate reductase activity    Catalysis of the reaction: N-acetyl-L-glutamate 5-semialdehyde + NADP+ + phosphate = N-acetyl-5-glutamyl phosphate + NADPH + H+.
    GO:0051287    NAD binding    Interacting selectively and non-covalently with nicotinamide adenine dinucleotide, a coenzyme involved in many redox and biosynthetic reactions; binding may be to either the oxidized form, NAD+, or the reduced form, NADH.
    GO:0005507    copper ion binding    Interacting selectively and non-covalently with copper (Cu) ions.
    GO:0016491    oxidoreductase activity    Catalysis of an oxidation-reduction (redox) reaction, a reversible chemical reaction in which the oxidation state of an atom or atoms within a molecule is altered. One substrate acts as a hydrogen or electron donor and becomes oxidized, while the other acts as hydrogen or electron acceptor and becomes reduced.
    GO:0016620    oxidoreductase activity, acting on the aldehyde or oxo group of donors, NAD or NADP as acceptor    Catalysis of an oxidation-reduction (redox) reaction in which an aldehyde or ketone (oxo) group acts as a hydrogen or electron donor and reduces NAD or NADP.
    GO:0046983    protein dimerization activity    The formation of a protein dimer, a macromolecular structure consists of two noncovalently associated identical or nonidentical subunits.
biological process
    GO:0006526    arginine biosynthetic process    The chemical reactions and pathways resulting in the formation of arginine, 2-amino-5-(carbamimidamido)pentanoic acid.
    GO:0008652    cellular amino acid biosynthetic process    The chemical reactions and pathways resulting in the formation of amino acids, organic acids containing one or more amino substituents.
    GO:0055114    oxidation-reduction process    A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons.
    GO:0046686    response to cadmium ion    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a cadmium (Cd) ion stimulus.
cellular component
    GO:0009507    chloroplast    A chlorophyll-containing plastid with thylakoids organized into grana and frets, or stroma thylakoids, and embedded in a stroma.
    GO:0009570    chloroplast stroma    The space enclosed by the double membrane of a chloroplast but excluding the thylakoid space. It contains DNA, ribosomes and some temporary products of photosynthesis.
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0005730    nucleolus    A small, dense body one or more of which are present in the nucleus of eukaryotic cells. It is rich in RNA and protein, is not bounded by a limiting membrane, and is not seen during mitosis. Its prime function is the transcription of the nucleolar DNA into 45S ribosomal-precursor RNA, the processing of this RNA into 5.8S, 18S, and 28S components of ribosomal RNA, and the association of these components with 5S RNA and proteins synthesized outside the nucleolus. This association results in the formation of ribonucleoprotein precursors; these pass into the cytoplasm and mature into the 40S and 60S subunits of the ribosome.
    GO:0009536    plastid    Any member of a family of organelles found in the cytoplasm of plants and some protists, which are membrane-bounded and contain DNA. Plant plastids develop from a common type, the proplastid.

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    Phe A:358 - Pro A:359   [ RasMol ]  
    Phe B:358 - Pro B:359   [ RasMol ]  
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 Related Entries

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

UniProtKB/Swiss-Prot
        ARGC_ARATH | Q93Z701xyg

(-) Related Entries Specified in the PDB File

1xyg ORIGINAL REFINEMENT BASED ON SAME DATA AND R-FREE SET.