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Asym. Unit
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Asym.Unit (66 KB)
Biol.Unit 1 (121 KB)
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(1)
Title
:
CRYSTAL STRUCTURE ANALYSIS OF ISOFLAVONE O-METHYLTRANSFERASE
Authors
:
C. Zubieta, R. A. Dixon, J. P. Noel
Date
:
29 Aug 00 (Deposition) - 07 Mar 01 (Release) - 13 Jul 11 (Revision)
Method
:
X-RAY DIFFRACTION
Resolution
:
1.40
Chains
:
Asym. Unit : A
Biol. Unit 1: A (2x)
Keywords
:
Protein-Product Complex, Transferase
(Keyword Search:
[
Gene Ontology, PubMed, Web (Google)
]
)
Reference
:
C. Zubieta, X. Z. He, R. A. Dixon, J. P. Noel
Structures Of Two Natural Product Methyltransferases Reveal The Basis For Substrate Specificity In Plant O-Methyltransferases.
Nat. Struct. Biol. V. 8 271 2001
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Hetero Components
(2, 2)
Info
All Hetero Components
1a: 4'-HYDROXY-7-METHOXYISOFLAVONE (HMOa)
2a: S-ADENOSYL-L-HOMOCYSTEINE (SAHa)
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Label:
No.
Name
Count
Type
Full Name
1
HMO
1
Ligand/Ion
4'-HYDROXY-7-METHOXYISOFLAVONE
2
SAH
1
Ligand/Ion
S-ADENOSYL-L-HOMOCYSTEINE
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Sites
(2, 2)
Info
All Sites
1: AC1 (SOFTWARE)
2: AC2 (SOFTWARE)
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No.
Name
Evidence
Residues
Description
1
AC1
SOFTWARE
GLY A:196 , ASP A:219 , ARG A:220 , ASP A:239 , MET A:240 , PHE A:241 , LYS A:253 , ILE A:255 , HMO A:2000 , HOH A:2001 , HOH A:2002 , HOH A:2014 , HOH A:2026 , HOH A:2031 , HOH A:2039 , HOH A:2047 , HOH A:2054
BINDING SITE FOR RESIDUE SAH A 1699
2
AC2
SOFTWARE
TYR A:25 , VAL A:118 , LEU A:123 , SER A:124 , TYR A:127 , PHE A:164 , TYR A:254 , HIS A:257 , ASN A:258 , ASN A:310 , SAH A:1699
BINDING SITE FOR RESIDUE HMO A 2000
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SAPs(SNPs)/Variants
(0, 0)
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(mutated residues are not available)
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PROSITE Patterns/Profiles
(1, 1)
Info
All PROSITE Patterns/Profiles
1: SAM_OMT_II (A:21-352)
;
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PROSITE
UniProtKB
PDB
No.
ID
AC
Description
ID
Location
Count
Location
1
SAM_OMT_II
PS51683
SAM-dependent O-methyltransferase class II-type profile.
7OMT8_MEDSA
21-352
1
A:21-352
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Exons
(0, 0)
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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
(2, 2)
Info
All SCOP Domains
1a: SCOP_d1fp2a1 (A:8-108)
2a: SCOP_d1fp2a2 (A:109-352)
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(
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)
(
)
Protein Domains
(
)
(
)
Organisms
(
)
(
)
Class
:
All alpha proteins
(14657)
Fold
:
DNA/RNA-binding 3-helical bundle
(1299)
Superfamily
:
Winged helix DNA-binding domain
(576)
Family
:
Plant O-methyltransferase, N-terminal domain
(12)
Protein domain
:
Isoflavone O-methyltransferase
(2)
Alfalfa (Medicago sativa) [TaxId: 3879]
(2)
1a
d1fp2a1
A:8-108
Class
:
Alpha and beta proteins (a/b)
(23833)
Fold
:
S-adenosyl-L-methionine-dependent methyltransferases
(533)
Superfamily
:
S-adenosyl-L-methionine-dependent methyltransferases
(533)
Family
:
Plant O-methyltransferase, C-terminal domain
(15)
Protein domain
:
Isoflavone O-methyltransferase
(2)
Alfalfa (Medicago sativa) [TaxId: 3879]
(2)
2a
d1fp2a2
A:109-352
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CATH Domains
(2, 2)
Info
all CATH domains
1a: CATH_1fp2A02 (A:104-352)
2a: CATH_1fp2A01 (A:8-103)
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)
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)
Organisms
(
)
(
)
Class
:
Alpha Beta
(26913)
Architecture
:
3-Layer(aba) Sandwich
(12045)
Topology
:
Rossmann fold
(7312)
Homologous Superfamily
:
Vaccinia Virus protein VP39
(378)
Medicago sativa. Organism_taxid: 3879.
(5)
1a
1fp2A02
A:104-352
Class
:
Mainly Alpha
(13335)
Architecture
:
Orthogonal Bundle
(10391)
Topology
:
Arc Repressor Mutant, subunit A
(1030)
Homologous Superfamily
:
'winged helix' repressor DNA binding domain
(507)
Medicago sativa. Organism_taxid: 3879.
(5)
2a
1fp2A01
A:8-103
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Pfam Domains
(0, 0)
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Chain A
Asymmetric Unit 1
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