PDB entry 3cep

View 3cep on RCSB PDB site
Description: Structure of a tryptophan synthase quinonoid intermediate
Class: lyase
Keywords: LYASE, CARBON-OXYGEN LYASE, TRYPTOPHAN BIOSYNTHESIS, Allosteric enzyme, Amino-acid biosynthesis, Aromatic amino acid biosynthesis, Pyridoxal phosphate
Deposited on 2008-02-29, released 2008-04-01
The last revision prior to the SCOPe 2.05 freeze date was dated 2014-12-17, with a file datestamp of 2014-12-12.
Experiment type: XRAY
Resolution: 2.1 Å
R-factor: 0.2
AEROSPACI score: 0.34 (click here for full SPACI score report)

Chains and heterogens:

  • Chain 'A':
    Compound: tryptophan synthase alpha chain
    Species: Salmonella typhimurium [TaxId:602]
    Gene: trpA
    Database cross-references and differences (RAF-indexed):
    • Uniprot P00929
      • see remark 999 (86)
    Domains in SCOPe 2.05: d3cepa_
  • Chain 'B':
    Compound: tryptophan synthase beta chain
    Species: Salmonella typhimurium [TaxId:602]
    Gene: TrpB
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.05: d3cepb_
  • Heterogens: CS, G3P, PLP, HOH

PDB Chain Sequences:

  • Chain 'A':
    Sequence, based on SEQRES records: (download) 
    >3cepA (A:)
meryenlfaqlndrregafvpfvtlgdpgieqslkiidtlidagadalelgvpfsdplad
gptiqnanlrafaagvtpaqcfemlaiirekhptipigllmyanlvfnngidafyarceq
vgvdsvlvadvpveesapfrqaalrhniapificppnadddllrqvasygrgytyllsrs
gvtgaenrgalplhhlieklkeyhaapalqgfgisspeqvsaavragaagaisgsaivki
ieknlaspkqmlaelrsfvsamkaasra

    Sequence, based on observed residues (ATOM records): (download) 
    >3cepA (A:)
eryenlfaqlndrregafvpfvtlgdpgieqslkiidtlidagadalelgvpfsdpladg
ptiqnanlrafaagvtpaqcfemlaiirekhptipigllmyanlvfnngidafyarceqv
gvdsvlvadvpveesapfrqaalrhniapificppnadddllrqvasygrgytyllsrsg
vtgaenrgalplhhlieklkeyhaapalqgfgisspeqvsaavragaagaisgsaivkii
eknlaspkqmlaelrsfvsamkaasr

  • Chain 'B':
    Sequence, based on SEQRES records: (download) 
    >3cepB (B:)
ttllnpyfgefggmyvpqilmpalnqleeafvsaqkdpefqaqfadllknyagrptaltk
cqnitagtrttlylkredllhggahktnqvlgqallakrmgkseiiaetgagqhgvasal
asallglkcriymgakdverqspnvfrmrlmgaevipvhsgsatlkdacnealrdwsgsy
etahymlgtaagphpyptivrefqrmigeetkaqildkegrlpdaviacvgggsnaigmf
adfindtsvgligvepgghgietgehgaplkhgrvgiyfgmkapmmqtadgqieesysis
agldfpsvgpqhaylnsigradyvsitddealeafktlcrhegiipalesshalahalkm
mreqpekeqllvvnlsgrgdkdiftvhdilkargei

    Sequence, based on observed residues (ATOM records): (download) 
    >3cepB (B:)
ttllnpyfgefggmyvpqilmpalnqleeafvsaqkdpefqaqfadllknyagrptaltk
cqnitagtrttlylkredllhggahktnqvlgqallakrmgkseiiaetgagqhgvasal
asallglkcriymgakdverqspnvfrmrlmgaevipvhsgsatlkdacnealrdwsgsy
etahymlgtaagphpyptivrefqrmigeetkaqildkegrlpdaviacvgggsnaigmf
adfindtsvgligvepgghgietgehgaplkhgrvgiyfgmkapmmqtadgqieesysis
agldfpsvgpqhaylnsigradyvsitddealeafktlcrhegiipalesshalahalkm
mreqpekeqllvvnlsgrgdkdiftvhdilkar