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1TTQ
Biol. Unit 1
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Asym.Unit (107 KB)
Biol.Unit 1 (201 KB)
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(1)
Title
:
TRYPTOPHAN SYNTHASE (E.C.4.2.1.20) IN THE PRESENCE OF POTASSIUM AT ROOM TEMPERATURE
Authors
:
S. Rhee, K. Parris, S. Ahmed, E. W. Miles, D. R. Davies
Date
:
11 Oct 95 (Deposition) - 08 Mar 96 (Release) - 13 Jul 11 (Revision)
Method
:
X-RAY DIFFRACTION
Resolution
:
2.00
Chains
:
Asym. Unit : A,B
Biol. Unit 1: A,B (2x)
Keywords
:
Carbon-Oxygen Lyase
(Keyword Search:
[
Gene Ontology, PubMed, Web (Google)
]
)
Reference
:
S. Rhee, K. D. Parris, S. A. Ahmed, E. W. Miles, D. R. Davies
Exchange Of K+ Or Cs+ For Na+ Induces Local And Long-Range Changes In The Three-Dimensional Structure Of The Tryptopha Synthase Alpha2Beta2 Complex.
Biochemistry V. 35 4211 1996
(for further references see the
PDB file header
)
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Hetero Components
(1, 2)
Info
All Hetero Components
1a: POTASSIUM ION (Ka)
2a: PYRIDOXAL-5'-PHOSPHATE (PLPa)
View:
Select:
Label:
No.
Name
Count
Type
Full Name
1
K
-1
Ligand/Ion
POTASSIUM ION
2
PLP
2
Ligand/Ion
PYRIDOXAL-5'-PHOSPHATE
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Sites
(3, 3)
Info
All Sites
1: AC1 (SOFTWARE)
2: AC2 (SOFTWARE)
3: COF (UNKNOWN)
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Label:
No.
Name
Evidence
Residues
Description
1
AC1
SOFTWARE
GLY B:232 , PHE B:306 , SER B:308 , HOH B:448
BINDING SITE FOR RESIDUE K B 400
2
AC2
SOFTWARE
ALA B:85 , HIS B:86 , LYS B:87 , GLN B:114 , THR B:190 , GLY B:232 , GLY B:233 , GLY B:234 , SER B:235 , ASN B:236 , GLY B:303 , ALA B:348 , GLU B:350 , SER B:377 , GLY B:378 , HOH B:420
BINDING SITE FOR RESIDUE PLP B 401
3
COF
UNKNOWN
LYS B:87
NULL
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SAPs(SNPs)/Variants
(0, 0)
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(mutated residues are only available for the asymmetric unit)
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PROSITE Patterns/Profiles
(2, 6)
Info
All PROSITE Patterns/Profiles
1: TRP_SYNTHASE_ALPHA (A:48-61)
2: TRP_SYNTHASE_BETA (B:80-94)
;
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End label:
PROSITE
UniProtKB
PDB
No.
ID
AC
Description
ID
Location
Count
Location
1
TRP_SYNTHASE_ALPHA
PS00167
Tryptophan synthase alpha chain signature.
TRPA_SALTY
48-61
2
A:48-61
2
TRP_SYNTHASE_BETA
PS00168
Tryptophan synthase beta chain pyridoxal-phosphate attachment site.
TRPB_SALTI
80-94
2
B:80-94
TRPB_SALTY
80-94
2
B:80-94
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Exons
(0, 0)
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SCOP Domains
(2, 2)
Info
All SCOP Domains
1a: SCOP_d1ttqa_ (A:)
2a: SCOP_d1ttqb_ (B:)
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Protein Domains
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Organisms
(
)
(
)
Class
:
Alpha and beta proteins (a/b)
(23833)
Fold
:
TIM beta/alpha-barrel
(3956)
Superfamily
:
Ribulose-phoshate binding barrel
(356)
Family
:
Tryptophan biosynthesis enzymes
(108)
Protein domain
:
Trp synthase alpha-subunit
(62)
Salmonella typhimurium [TaxId: 90371]
(40)
1a
d1ttqa_
A:
Fold
:
Tryptophan synthase beta subunit-like PLP-dependent enzymes
(165)
Superfamily
:
Tryptophan synthase beta subunit-like PLP-dependent enzymes
(165)
Family
:
Tryptophan synthase beta subunit-like PLP-dependent enzymes
(120)
Protein domain
:
Tryptophan synthase, beta-subunit
(45)
Salmonella typhimurium [TaxId: 90371]
(38)
2a
d1ttqb_
B:
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CATH Domains
(2, 3)
Info
all CATH domains
1a: CATH_1ttqB01 (B:9-53,B:87-205)
1b: CATH_1ttqB02 (B:54-86,B:206-391)
2a: CATH_1ttqA00 (A:1-268)
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Homologous Superfamilies
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)
(
)
Organisms
(
)
(
)
Class
:
Alpha Beta
(26913)
Architecture
:
3-Layer(aba) Sandwich
(12045)
Topology
:
Rossmann fold
(7312)
Homologous Superfamily
:
[code=3.40.50.1100, no name defined]
(77)
Salmonella typhimurium. Organism_taxid: 602. Strain: tb2211.
(3)
1a
1ttqB01
B:9-53,B:87-205
1b
1ttqB02
B:54-86,B:206-391
Architecture
:
Alpha-Beta Barrel
(2994)
Topology
:
TIM Barrel
(2806)
Homologous Superfamily
:
Aldolase class I
(887)
Salmonella typhimurium. Organism_taxid: 602. Strain: tb2211.
(3)
2a
1ttqA00
A:1-268
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Pfam Domains
(2, 2)
Info
all PFAM domains
1a: PFAM_Trp_syntA_1ttqA01 (A:8-267)
2a: PFAM_PALP_1ttqB01 (B:50-378)
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Clan
:
TIM_barrel
(694)
Family
:
Trp_syntA
(28)
Salmonella typhimurium
(21)
1a
Trp_syntA-1ttqA01
A:8-267
Clan
:
no clan defined [family: PALP]
(67)
Family
:
PALP
(67)
Salmonella typhimurium
(25)
2a
PALP-1ttqB01
B:50-378
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