Show PDB file:   
         Plain Text   HTML   (compressed file size)
QuickSearch:   
by PDB,NDB,UniProt,PROSITE Code or Search Term(s)  
(-)Asym./Biol. Unit
(-)Asym./Biol. Unit - sites
collapse expand < >
Image Asym./Biol. Unit
Asym./Biol. Unit  (Jmol Viewer)
Image Asym./Biol. Unit - sites
Asym./Biol. Unit - sites  (Jmol Viewer)

(-) Description

Title :  GALACTOSIDE ACETYLTRANSFERASE IN COMPLEX WITH COA AND PNP-BETA-GAL
 
Authors :  X. -G. Wang, L. R. Olsen, S. L. Roderick
Date :  10 Jan 02  (Deposition) - 10 Apr 02  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.80
Chains :  Asym./Biol. Unit :  A,B,C
Keywords :  Left-Handed Parallel Beta Helix, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  X. G. Wang, L. R. Olsen, S. L. Roderick
Structure Of The Lac Operon Galactoside Acetyltransferase.
Structure V. 10 581 2002
PubMed-ID: 11937062  |  Reference-DOI: 10.1016/S0969-2126(02)00741-4
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - GALACTOSIDE O-ACETYLTRANSFERASE
    Chains: A, B, C
    EC Number: 2.3.1.18
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PTAC-85
    Expression System Strain: TG1
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: LACA
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562
    Synonym: THIOGALACTOSIDE ACETYLTRANSFERASE

 Structural Features

(-) Chains, Units

  123
Asymmetric/Biological Unit : ABC

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 6)

Asymmetric/Biological Unit (2, 6)
No.NameCountTypeFull Name
11473Ligand/Ion1-O-[P-NITROPHENYL]-BETA-D-GALACTOPYRANOSE
2COA3Ligand/IonCOENZYME A

(-) Sites  (6, 6)

Asymmetric Unit (6, 6)
No.NameEvidenceResiduesDescription
1AC1SOFTWARETYR A:83 , ASN A:85 , COA A:207 , ASP B:17 , ARG B:26 , SER B:71 , VAL B:91 , ASP B:93 , ASN B:124 , GLY B:125 , MET B:127 , HOH B:2055BINDING SITE FOR RESIDUE 147 B 204
2AC2SOFTWARETYR B:83 , ASN B:85 , COA B:208 , ASP C:17 , ARG C:26 , SER C:71 , VAL C:91 , ASP C:93 , MET C:127BINDING SITE FOR RESIDUE 147 C 205
3AC3SOFTWAREASP A:17 , ARG A:26 , SER A:71 , VAL A:91 , ASP A:93 , MET A:127 , TYR C:83 , ASN C:85 , COA C:209BINDING SITE FOR RESIDUE 147 A 206
4AC4SOFTWAREALA A:105 , TRP A:139 , GLY A:141 , SER A:142 , GLY A:159 , ALA A:160 , ARG A:183 , HOH A:2010 , HOH A:2056 , HOH A:2057 , SER B:111 , THR B:113 , HIS B:115 , ASN B:147 , THR B:165 , LYS B:166 , PRO B:178 , ARG B:180 , 147 B:204BINDING SITE FOR RESIDUE COA A 207
5AC5SOFTWARETRP B:139 , GLY B:141 , SER B:142 , GLY B:159 , ALA B:160 , ALA B:175 , ARG B:183 , HOH B:2059 , SER C:111 , THR C:113 , HIS C:115 , ASN C:147 , THR C:165 , LYS C:166 , PRO C:178 , ARG C:180 , 147 C:205BINDING SITE FOR RESIDUE COA B 208
6AC6SOFTWARESER A:111 , THR A:113 , ASN A:147 , THR A:165 , LYS A:166 , PRO A:178 , ARG A:180 , 147 A:206 , ALA C:105 , TRP C:139 , GLY C:141 , SER C:142 , GLY C:159 , ALA C:160 , ALA C:175 , ARG C:183 , ASP C:196 , HOH C:2026 , HOH C:2062BINDING SITE FOR RESIDUE COA C 209

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (6, 6)

Asymmetric/Biological Unit
No.Residues
1Pro A:66 -Pro A:67
2Val A:177 -Pro A:178
3Pro B:66 -Pro B:67
4Val B:177 -Pro B:178
5Pro C:66 -Pro C:67
6Val C:177 -Pro C:178

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (1, 3)

Asymmetric/Biological Unit (1, 3)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1HEXAPEP_TRANSFERASESPS00101 Hexapeptide-repeat containing-transferases signature.THGA_ECOLI140-168
 
 		  3A:140-168
B:140-168
C:140-168

(-) Exons   (0, 0)

(no "Exon" information available for 1KRV)

(-) 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:201
 aligned with THGA_ECOLI | P07464 from UniProtKB/Swiss-Prot  Length:203

    Alignment length:201
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201 
           THGA_ECOLI     2 NMPMTERIRAGKLFTDMCEGLPEKRLRGKTLMYEFNHSHPSEVEKRESLIKEMFATVGENAWVEPPVYFSYGSNIHIGRNFYANFNLTIVDDYTVTIGDNVLIAPNVTLSVTGHPVHHELRKNGEMYSFPITIGNNVWIGSHVVINPGVTIGDNSVIGAGSIVTKDIPPNVVAAGVPCRVIREINDRDKHYYFKDYKVESS 202
               SCOP domains d1krva_ A: Galactoside acetyltransferase                                                                                                                                                                  SCOP domains
               CATH domains 1krvA00 A:2-202 Hexapeptide repeat proteins                                                                                                                                                               CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhh........hhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhh.......ee...eee.....eee....ee...eeee....eee....ee...eeee.ee.............ee..eee....ee....ee....ee....ee....ee.......eeee....eeeee..hhhh.eee..ee.... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------HEXAPEP_TRANSFERASES         ---------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1krv A   2 NMPMTERIRAGKLFTDMCEGLPEKRLRGKTLMYEFNHSHPSEVEKRESLIKEMFATVGENAWVEPPVYFSYGSNIHIGRNFYANFNLTIVDDYTVTIGDNVLIAPNVTLSVTGHPVHHELRKNGEMYSFPITIGNNVWIGSHVVINPGVTIGDNSVIGAGSIVTKDIPPNVVAAGVPCRVIREINDRDKHYYFKDYKVESS 202
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201 


Chain B from PDB  Type:PROTEIN  Length:201
 aligned with THGA_ECOLI | P07464 from UniProtKB/Swiss-Prot  Length:203

    Alignment length:201
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201 
           THGA_ECOLI     2 NMPMTERIRAGKLFTDMCEGLPEKRLRGKTLMYEFNHSHPSEVEKRESLIKEMFATVGENAWVEPPVYFSYGSNIHIGRNFYANFNLTIVDDYTVTIGDNVLIAPNVTLSVTGHPVHHELRKNGEMYSFPITIGNNVWIGSHVVINPGVTIGDNSVIGAGSIVTKDIPPNVVAAGVPCRVIREINDRDKHYYFKDYKVESS 202
               SCOP domains d1krvb_ B: Galactoside acetyltransferase                                                                                                                                                                  SCOP domains
               CATH domains 1krvB00 B:2-202 Hexapeptide repeat proteins                                                                                                                                                               CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhh........hhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhh.......ee...eee.....eee....ee...eeee....eee....ee....eee.ee.............ee..eee....ee....ee....ee....ee....ee.......eeee....eeeee.hhhhh.eee..ee.... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------HEXAPEP_TRANSFERASES         ---------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1krv B   2 NMPMTERIRAGKLFTDMCEGLPEKRLRGKTLMYEFNHSHPSEVEKRESLIKEMFATVGENAWVEPPVYFSYGSNIHIGRNFYANFNLTIVDDYTVTIGDNVLIAPNVTLSVTGHPVHHELRKNGEMYSFPITIGNNVWIGSHVVINPGVTIGDNSVIGAGSIVTKDIPPNVVAAGVPCRVIREINDRDKHYYFKDYKVESS 202
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201 


Chain C from PDB  Type:PROTEIN  Length:201
 aligned with THGA_ECOLI | P07464 from UniProtKB/Swiss-Prot  Length:203

    Alignment length:201
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201 
           THGA_ECOLI     2 NMPMTERIRAGKLFTDMCEGLPEKRLRGKTLMYEFNHSHPSEVEKRESLIKEMFATVGENAWVEPPVYFSYGSNIHIGRNFYANFNLTIVDDYTVTIGDNVLIAPNVTLSVTGHPVHHELRKNGEMYSFPITIGNNVWIGSHVVINPGVTIGDNSVIGAGSIVTKDIPPNVVAAGVPCRVIREINDRDKHYYFKDYKVESS 202
               SCOP domains d1krvc_ C: Galactoside acetyltransferase                                                                                                                                                                  SCOP domains
               CATH domains 1krvC00 C:2-202 Hexapeptide repeat proteins                                                                                                                                                               CATH domains
           Pfam domains (1) ----Mac-1krvC04 C:6-60                                     ----------------------------------------------------------------------Hexapep-1krvC01 C:131-166           ------------------------------------ Pfam domains (1)
           Pfam domains (2) ----Mac-1krvC05 C:6-60                                     ----------------------------------------------------------------------Hexapep-1krvC02 C:131-166           ------------------------------------ Pfam domains (2)
           Pfam domains (3) ----Mac-1krvC06 C:6-60                                     ----------------------------------------------------------------------Hexapep-1krvC03 C:131-166           ------------------------------------ Pfam domains (3)
         Sec.struct. author ..hhhhhhhh.........hhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhh.......ee...eee.....eee....ee...eeee....eee....ee....eee.ee.............ee..eee....ee....ee....ee....ee....ee.......eeee....eeeee..hhhh.eee..ee.... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------HEXAPEP_TRANSFERASES         ---------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1krv C   2 NMPMTERIRAGKLFTDMCEGLPEKRLRGKTLMYEFNHSHPSEVEKRESLIKEMFATVGENAWVEPPVYFSYGSNIHIGRNFYANFNLTIVDDYTVTIGDNVLIAPNVTLSVTGHPVHHELRKNGEMYSFPITIGNNVWIGSHVVINPGVTIGDNSVIGAGSIVTKDIPPNVVAAGVPCRVIREINDRDKHYYFKDYKVESS 202
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201
   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, 3)

Asymmetric/Biological Unit
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (1, 3)

Asymmetric/Biological Unit
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (2, 6)

Asymmetric/Biological Unit
(-)
Clan: no clan defined [family: Hexapep] (52)
(-)
Clan: no clan defined [family: Mac] (5)

(-) Gene Ontology  (6, 6)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B,C   (THGA_ECOLI | P07464)
molecular function
    GO:0016407    acetyltransferase activity    Catalysis of the transfer of an acetyl group to an acceptor molecule.
    GO:0008870    galactoside O-acetyltransferase activity    Catalysis of the reaction: acetyl-CoA + a beta-D-galactoside = CoA + a 6-acetyl-beta-D-galactoside.
    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:0016746    transferase activity, transferring acyl groups    Catalysis of the transfer of an acyl group from one compound (donor) to another (acceptor).
biological process
    GO:0005989    lactose biosynthetic process    The chemical reactions and pathways resulting in the formation of lactose, the disaccharide galactopyranosyl-glucose.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

 Visualization

(-) Interactive Views

Asymmetric/Biological Unit
  Complete Structure
    Jena3D(integrated viewing of ligand, site, SAP, PROSITE, SCOP information)
    WebMol | AstexViewer[tm]@PDBe
(Java Applets, require no local installation except for Java; loading may be slow)
    STRAP
(Java WebStart application, automatic local installation, requires Java; full application with system access!)
    RasMol
(require local installation)
    Molscript (VRML)
(requires installation of a VRML viewer; select preferred view via VRML and generate a mono or stereo PDF format file)
 
  Ligands, Modified Residues, Ions
    147  [ RasMol | Jena3D ]  +environment [ RasMol | Jena3D ]
    COA  [ RasMol | Jena3D ]  +environment [ RasMol | Jena3D ]
 
  Sites
    AC1  [ RasMol ]  +environment [ RasMol ]
    AC2  [ RasMol ]  +environment [ RasMol ]
    AC3  [ RasMol ]  +environment [ RasMol ]
    AC4  [ RasMol ]  +environment [ RasMol ]
    AC5  [ RasMol ]  +environment [ RasMol ]
    AC6  [ RasMol ]  +environment [ RasMol ]
 
  Cis Peptide Bonds
    Pro A:66 - Pro A:67   [ RasMol ]  
    Pro B:66 - Pro B:67   [ RasMol ]  
    Pro C:66 - Pro C:67   [ RasMol ]  
    Val A:177 - Pro A:178   [ RasMol ]  
    Val B:177 - Pro B:178   [ RasMol ]  
    Val C:177 - Pro C:178   [ RasMol ]  
 

(-) Still Images

Jmol
  protein: cartoon or spacefill or dots and stick; nucleic acid: cartoon and stick; ligands: spacefill; active site: stick
[ Asym./Biol. Unit PNG format | Asym./Biol. Unit - sites PNG format ](automatic orientation, automatically generated)
Molscript
  protein, nucleic acid: cartoon; ligands: spacefill; active site: ball and stick
[ mono PDF format | stereo PDF format ](default orientation, automatically generated)

 Databases and Analysis Tools

(-) Databases

Access by PDB/NDB ID
  1krv
    Family and Domain Information: ProDom | SYSTERS
    General Structural Information: GlycoscienceDB | MMDB | NDB | OCA | PDB | PDBe | PDBj | PDBsum | PDBWiki | PQS | PROTEOPEDIA
    Orientation in Membranes: OPM
    Protein Surface: SURFACE
    Secondary Structure: DSSP (structure derived) | HSSP (homology derived)
    Structural Genomics: GeneCensus
    Structural Neighbours: CE | VAST
    Structure Classification: CATH | Dali | SCOP
    Validation and Original Data: BMRB Data View | BMRB Restraints Grid | EDS | PROCHECK | RECOORD | WHAT_CHECK
 
Access by UniProt ID/Accession number
  THGA_ECOLI | P07464
    Comparative Protein Structure Models: ModBase
    Genomic Information: Ensembl
    Protein-protein Interaction: DIP
    Sequence, Family and Domain Information: InterPro | Pfam | SMART | UniProtKB/SwissProt
 
Access by Enzyme Classificator   (EC Number)
  2.3.1.18
    General Enzyme Information: BRENDA | EC-PDB | Enzyme | IntEnz
    Pathway: KEGG | MetaCyc
 
Access by Disease Identifier   (MIM ID)
  (no 'MIM ID' available)
    Disease Information: OMIM
 
Access by GenAge ID
  (no 'GenAge ID' available)
    Age Related Information: GenAge

(-) Analysis Tools

Access by PDB/NDB ID
    Domain Information: XDom
    Interatomic Contacts of Structural Units: CSU
    Ligand-protein Contacts: LPC
    Protein Cavities: castP
    Sequence and Secondary Structure: PDBCartoon
    Structure Alignment: STRAP(Java WebStart application, automatic local installation, requires Java; full application with system access!)
    Structure and Sequence Browser: STING
 
Access by UniProt ID/Accession number
  THGA_ECOLI | P07464
    Protein Disorder Prediction: DisEMBL | FoldIndex | GLOBPLOT (for more information see DisProt)

 Related Entries

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

UniProtKB/Swiss-Prot
        THGA_ECOLI | P07464: 1kqa 1krr 1kru

(-) Related Entries Specified in the PDB File

1kqa GALACTOSIDE ACETYLTRANSFERASE IN COMPLEX WITH COENZYME A
1krr GALACTOSIDE ACETYLTRANSFERASE IN COMPLEX WITH ACETYL- COENZYME A
1kru GALACTOSIDE ACETYLTRANSFERASE IN COMPLEX WITH IPTG AND COENZYME A