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2QBT
Asym. Unit
Info
Asym.Unit (166 KB)
Biol.Unit 1 (317 KB)
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(1)
Title
:
STRUCTURAL STUDIES REVEAL THE INACTIVATION OF E. COLI L-ASPARTATE AMINOTRANSFERASE BY (S)-4,5-AMINO-DIHYDRO-2-THIOPHENECARBOXYLIC ACID (SADTA) VIA TWO MECHANISMS (AT PH 8.0)
Authors
:
D. Liu, E. Pozharski, B. Lepore, M. Fu, R. B. Silverman, G. A. Petsko, D. R
Date
:
18 Jun 07 (Deposition) - 04 Sep 07 (Release) - 13 Jul 11 (Revision)
Method
:
X-RAY DIFFRACTION
Resolution
:
1.75
Chains
:
Asym. Unit : A
Biol. Unit 1: A (2x)
Keywords
:
Mechanism-Based Inactivator, Ph Dependence, Aspartate Aminotransferase, Sadta, Plp, Transferase
(Keyword Search:
[
Gene Ontology, PubMed, Web (Google)
]
)
Reference
:
D. Liu, E. Pozharski, B. W. Lepore, M. Fu, R. B. Silverman, G. A. Petsko, D. Ringe
Inactivation Of Escherichia Coli L-Aspartate Aminotransferase By (S)-4-Amino-4, 5-Dihydro-2-Thiophenecarboxylic Acid Reveals "A Tale Of Two Mechanisms".
Biochemistry V. 46 10517 2007
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Hetero Components
(5, 14)
Info
All Hetero Components
1a: GLYCEROL (GOLa)
1b: GLYCEROL (GOLb)
1c: GLYCEROL (GOLc)
1d: GLYCEROL (GOLd)
1e: GLYCEROL (GOLe)
1f: GLYCEROL (GOLf)
1g: GLYCEROL (GOLg)
1h: GLYCEROL (GOLh)
2a: N~6~-(5-CARBOXY-3-THIENYL)-L-LYSIN... (KSTa)
3a: 4'-DEOXY-4'-AMINOPYRIDOXAL-5'-PHOS... (PMPa)
4a: 4-[({3-HYDROXY-2-METHYL-5-[(PHOSPH... (PSZa)
5a: SULFATE ION (SO4a)
5b: SULFATE ION (SO4b)
5c: SULFATE ION (SO4c)
View:
Select:
Label:
No.
Name
Count
Type
Full Name
1
GOL
8
Ligand/Ion
GLYCEROL
2
KST
1
Mod. Amino Acid
N~6~-(5-CARBOXY-3-THIENYL)-L-LYSINE
3
PMP
1
Ligand/Ion
4'-DEOXY-4'-AMINOPYRIDOXAL-5'-PHOSPHATE
4
PSZ
1
Ligand/Ion
4-[({3-HYDROXY-2-METHYL-5-[(PHOSPHONOOXY)METHYL]PYRIDIN-4-YL}METHYL)AMINO]THIOPHENE-2-CARBOXYLIC ACID
5
SO4
3
Ligand/Ion
SULFATE ION
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Sites
(13, 13)
Info
All Sites
01: AC1 (SOFTWARE)
02: AC2 (SOFTWARE)
03: AC3 (SOFTWARE)
04: AC4 (SOFTWARE)
05: AC5 (SOFTWARE)
06: AC6 (SOFTWARE)
07: AC7 (SOFTWARE)
08: AC8 (SOFTWARE)
09: AC9 (SOFTWARE)
10: BC1 (SOFTWARE)
11: BC2 (SOFTWARE)
12: BC3 (SOFTWARE)
13: BC4 (SOFTWARE)
View:
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Label:
No.
Name
Evidence
Residues
Description
01
AC1
SOFTWARE
LYS A:134 , ASN A:138 , GLU A:143 , VAL A:144 , ARG A:145 , GOL A:806 , HOH A:1121
BINDING SITE FOR RESIDUE SO4 A 501
02
AC2
SOFTWARE
PRO A:72 , ARG A:76 , HOH A:894
BINDING SITE FOR RESIDUE SO4 A 502
03
AC3
SOFTWARE
THR A:312 , ARG A:315 , GLN A:316 , GOL A:804 , HOH A:941
BINDING SITE FOR RESIDUE SO4 A 503
04
AC4
SOFTWARE
GLY A:34 , TYR A:65 , GLY A:102 , GLY A:103 , THR A:104 , TRP A:130 , ASN A:183 , ASP A:211 , TYR A:214 , SER A:243 , SER A:245 , KST A:246 , ARG A:254 , PHE A:348 , ARG A:374 , GOL A:808 , HOH A:1021 , HOH A:1206
BINDING SITE FOR RESIDUE PSZ A 600
05
AC5
SOFTWARE
TYR A:65 , GLY A:103 , THR A:104 , TRP A:130 , ASN A:183 , ASP A:211 , TYR A:214 , SER A:243 , SER A:245 , KST A:246 , ARG A:254 , HOH A:814
BINDING SITE FOR RESIDUE PMP A 700
06
AC6
SOFTWARE
GLY A:216 , GLY A:220 , LEU A:221 , GLU A:308 , THR A:312 , ARG A:315 , HOH A:1085 , HOH A:1199
BINDING SITE FOR RESIDUE GOL A 801
07
AC7
SOFTWARE
TYR A:36 , THR A:43 , PRO A:44 , LEU A:46 , KST A:246 , GLY A:249 , TYR A:251 , MET A:314 , HOH A:1192
BINDING SITE FOR RESIDUE GOL A 802
08
AC8
SOFTWARE
PRO A:72 , GLY A:75 , ARG A:76 , GLN A:79 , ALA A:95 , ARG A:96 , THR A:97 , HOH A:809 , HOH A:1103 , HOH A:1140
BINDING SITE FOR RESIDUE GOL A 803
09
AC9
SOFTWARE
ARG A:315 , GLN A:316 , GLN A:319 , SO4 A:503
BINDING SITE FOR RESIDUE GOL A 804
10
BC1
SOFTWARE
TYR A:55 , ASN A:300 , LEU A:303 , HOH A:966
BINDING SITE FOR RESIDUE GOL A 805
11
BC2
SOFTWARE
ASN A:138 , GLY A:141 , LEU A:142 , SO4 A:501
BINDING SITE FOR RESIDUE GOL A 806
12
BC3
SOFTWARE
PRO A:189 , THR A:190 , LEU A:191 , ARG A:219 , ASN A:345 , HOH A:833 , HOH A:855 , HOH A:918 , HOH A:1001
BINDING SITE FOR RESIDUE GOL A 807
13
BC4
SOFTWARE
TYR A:65 , KST A:246 , ARG A:280 , PSZ A:600 , HOH A:1024 , HOH A:1163 , HOH A:1190
BINDING SITE FOR RESIDUE GOL A 808
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SAPs(SNPs)/Variants
(0, 0)
Info
(mutated residues are not available)
All SNPs/Variants
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Sorry, no Info available
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PROSITE Patterns/Profiles
(1, 1)
Info
All PROSITE Patterns/Profiles
1: AA_TRANSFER_CLASS_1 (A:243-256)
;
View:
Select:
Label:
End label:
PROSITE
UniProtKB
PDB
No.
ID
AC
Description
ID
Location
Count
Location
1
AA_TRANSFER_CLASS_1
PS00105
Aminotransferases class-I pyridoxal-phosphate attachment site.
AAT_ECOLI
243-256
1
A:243-256
[
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Exons
(0, 0)
Info
All Exons
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All Exon Boundaries
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Note:
Exon boundaries colored in "red" are actually farther away from the residue due to missing residues in the structure.
SCOP Domains
(1, 1)
Info
All SCOP Domains
1a: SCOP_d2qbta_ (A:)
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)
Protein Domains
(
)
(
)
Organisms
(
)
(
)
Class
:
Alpha and beta proteins (a/b)
(23833)
Fold
:
PLP-dependent transferase-like
(627)
Superfamily
:
PLP-dependent transferases
(625)
Family
:
AAT-like
(184)
Protein domain
:
Aspartate aminotransferase, AAT
(112)
Escherichia coli [TaxId: 562]
(81)
1a
d2qbta_
A:
[
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CATH Domains
(1, 1)
Info
all CATH domains
1a: CATH_2qbtA02 (A:45-314)
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)
(
)
Organisms
(
)
(
)
Class
:
Alpha Beta
(26913)
Architecture
:
3-Layer(aba) Sandwich
(12045)
Topology
:
Aspartate Aminotransferase; domain 2
(384)
Homologous Superfamily
:
Type I PLP-dependent aspartate aminotransferase-like (Major domain)
(384)
Escherichia coli. Organism_taxid: 562.
(37)
1a
2qbtA02
A:45-314
[
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Pfam Domains
(1, 1)
Info
all PFAM domains
1a: PFAM_Aminotran_1_2_2qbtA01 (A:26-392)
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Clans
(
)
(
)
Families
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)
(
)
Organisms
(
)
(
)
Clan
:
PLP_aminotran
(240)
Family
:
Aminotran_1_2
(77)
Escherichia coli (strain K12)
(18)
1a
Aminotran_1_2-2qbtA01
A:26-392
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Protein & NOT Site
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Chain A
Asymmetric Unit 1
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select chains 'A' and 'C'
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select all 'ALA' residues (Alanines) in chain 'A'
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select residue range 5 to 10 in all chains
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Asym.Unit (166 KB)
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