1BIB
THE E. COLI BIOTIN HOLOENZYME SYNTHETASE(SLASH)BIO REPRESSOR CRYSTAL STRUCTURE DELINEATES THE BIOTIN AND DNA-BINDING DOMAINS
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0000166 | molecular_function | nucleotide binding |
| A | 0000976 | molecular_function | transcription cis-regulatory region binding |
| A | 0003676 | molecular_function | nucleic acid binding |
| A | 0003677 | molecular_function | DNA binding |
| A | 0004077 | molecular_function | biotin--[biotin carboxyl-carrier protein] ligase activity |
| A | 0005515 | molecular_function | protein binding |
| A | 0005524 | molecular_function | ATP binding |
| A | 0005737 | cellular_component | cytoplasm |
| A | 0006355 | biological_process | regulation of DNA-templated transcription |
| A | 0006768 | biological_process | biotin metabolic process |
| A | 0009102 | biological_process | biotin biosynthetic process |
| A | 0009374 | molecular_function | biotin binding |
| A | 0016874 | molecular_function | ligase activity |
| A | 0017053 | cellular_component | transcription repressor complex |
| A | 0036211 | biological_process | protein modification process |
| A | 0042803 | molecular_function | protein homodimerization activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 13 |
| Details | BINDING SITE FOR RESIDUE BTN A 500 |
| Chain | Residue |
| A | SER89 |
| A | THR90 |
| A | ASN91 |
| A | GLN112 |
| A | GLY115 |
| A | ARG116 |
| A | TYR132 |
| A | SER134 |
| A | LYS183 |
| A | GLY186 |
| A | ILE187 |
| A | GLY204 |
| A | ALA205 |
| site_id | CAT |
| Number of Residues | 14 |
| Details |
| Chain | Residue |
| A | SER89 |
| A | THR90 |
| A | ASN91 |
| A | GLN112 |
| A | GLY115 |
| A | ARG116 |
| A | GLY117 |
| A | ARG118 |
| A | TYR132 |
| A | LYS183 |
| A | ILE187 |
| A | LEU188 |
| A | GLY204 |
| A | ALA205 |
| site_id | HTH |
| Number of Residues | 25 |
| Details |
| Chain | Residue |
| A | GLY22 |
| A | MET31 |
| A | SER32 |
| A | ARG33 |
| A | ALA34 |
| A | ALA35 |
| A | ILE36 |
| A | ASN37 |
| A | LYS38 |
| A | HIS39 |
| A | ILE40 |
| A | GLU23 |
| A | GLN41 |
| A | THR42 |
| A | LEU43 |
| A | ARG44 |
| A | ASP45 |
| A | TRP46 |
| A | GLN24 |
| A | LEU25 |
| A | GLY26 |
| A | GLU27 |
| A | THR28 |
| A | LEU29 |
| A | GLY30 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 19 |
| Details | DNA binding: {"description":"H-T-H motif","evidences":[{"source":"HAMAP-Rule","id":"MF_00978","evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI2 |
| Number of Residues | 4 |
| Details | Binding site: {} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI3 |
| Number of Residues | 2 |
| Details | Binding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_00978","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"11353844","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"1409631","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
Catalytic Information from CSA
| site_id | CSA1 |
| Number of Residues | 3 |
| Details | a catalytic site defined by CSA, PubMed 1409631 |
| Chain | Residue | Details |
| A | ARG118 | |
| A | ARG317 | |
| A | LYS183 |
| site_id | MCSA1 |
| Number of Residues | 3 |
| Details | M-CSA 538 |
| Chain | Residue | Details |
| A | ARG118 | electrostatic stabiliser |
| A | LYS183 | electrostatic stabiliser |
| A | ARG317 |
