Structure of PDB 1ttq Chain B

Receptor sequence
>1ttqB (length=389) [Search protein sequence]
TLLNPYFGEFGGMYVPQILMPALNQLEEAFVRAQKDPEFQAQFADLLKNY
AGRPTALTKCQNITAGTRTTLYLKREDLLHGGAHKTNQVLGQALLAKRMG
KSEIIAETGAGQHGVASALASALLGLKCRIYMGAKDVERQSPNVFRMRLM
GAEVIPVHSGSATLKDACNEALRDWSGSYETAHYMLGTAAGPHPYPTIVR
EFQRMIGEETKAQILDKEGRLPDAVIACVGGGSNAIGMFADFINDTSVGL
IGVEPGGHGIETGEHGAPLKHGRVGIYFGMKAPMMQTADGQIEESYSISA
GLDFPSVGPQHAYLNSIGRADYVSITDDEALEAFKTLCRHEGIIPALESS
HALAHALKMMREQPEKEQLLVVNLSGRGDKDIFTVHDIL
3D structure
PDB1ttq Exchange of K+ or Cs+ for Na+ induces local and long-range changes in the three-dimensional structure of the tryptophan synthase alpha2beta2 complex.
ChainB
Resolution2.0 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 4.2.1.20: tryptophan synthase.
Interaction with ligand
Site
#
Ligand Ligand
chain
Binding residues on receptor
(original residue number in PDB)
Binding residues on receptor
(residue number reindexed from 1)
Binding affinity
BS01 PLP B H86 K87 T190 G232 G234 S235 N236 E350 S377 G378 H84 K85 T188 G230 G232 S233 N234 E348 S375 G376
Gene Ontology
Molecular Function
GO:0004834 tryptophan synthase activity
GO:0005515 protein binding
GO:0016829 lyase activity
GO:0042802 identical protein binding
Biological Process
GO:0000162 tryptophan biosynthetic process
GO:0006568 tryptophan metabolic process
Cellular Component
GO:0005737 cytoplasm

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:1ttq, PDBe:1ttq, PDBj:1ttq
PDBsum1ttq
PubMed8672457
UniProtP0A2K1|TRPB_SALTY Tryptophan synthase beta chain (Gene Name=trpB)

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