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5P21
Asym. Unit
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Asym.Unit (37 KB)
Biol.Unit 1 (65 KB)
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(1)
Title
:
REFINED CRYSTAL STRUCTURE OF THE TRIPHOSPHATE CONFORMATION OF H-RAS P21 AT 1.35 ANGSTROMS RESOLUTION: IMPLICATIONS FOR THE MECHANISM OF GTP HYDROLYSIS
Authors
:
E. F. Pai, A. Wittinghofer, W. Kabsch
Date
:
30 Apr 90 (Deposition) - 15 Jan 92 (Release) - 24 Feb 09 (Revision)
Method
:
X-RAY DIFFRACTION
Resolution
:
1.35
Chains
:
Asym. Unit : A
Biol. Unit 1: A (2x)
Keywords
:
Oncogene Protein
(Keyword Search:
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Gene Ontology, PubMed, Web (Google)
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Reference
:
E. F. Pai, U. Krengel, G. A. Petsko, R. S. Goody, W. Kabsch, A. Wittinghofer
Refined Crystal Structure Of The Triphosphate Conformation Of H-Ras P21 At 1. 35 A Resolution: Implications For The Mechanism Of Gtp Hydrolysis.
Embo J. V. 9 2351 1990
(for further references see the
PDB file header
)
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Hetero Components
(2, 2)
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All Hetero Components
1a: PHOSPHOAMINOPHOSPHONIC ACID-GUANYL... (GNPa)
2a: MAGNESIUM ION (MGa)
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No.
Name
Count
Type
Full Name
1
GNP
1
Ligand/Ion
PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER
2
MG
1
Ligand/Ion
MAGNESIUM ION
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Sites
(2, 2)
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1: AC1 (SOFTWARE)
2: AC2 (SOFTWARE)
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Name
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Description
1
AC1
SOFTWARE
SER A:17 , THR A:35 , GNP A:167 , HOH A:172 , HOH A:173
BINDING SITE FOR RESIDUE MG A 168
2
AC2
SOFTWARE
GLY A:12 , GLY A:13 , VAL A:14 , GLY A:15 , LYS A:16 , SER A:17 , ALA A:18 , PHE A:28 , VAL A:29 , ASP A:30 , TYR A:32 , PRO A:34 , THR A:35 , GLY A:60 , ASN A:116 , LYS A:117 , ASP A:119 , SER A:145 , ALA A:146 , LYS A:147 , MG A:168 , HOH A:170 , HOH A:172 , HOH A:173 , HOH A:175 , HOH A:187 , HOH A:281 , HOH A:366
BINDING SITE FOR RESIDUE GNP A 167
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Exon boundaries colored in "red" are actually farther away from the residue due to missing residues in the structure.
SCOP Domains
(1, 1)
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1a: SCOP_d5p21a_ (A:)
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Class
:
Alpha and beta proteins (a/b)
(23833)
Fold
:
P-loop containing nucleoside triphosphate hydrolases
(2083)
Superfamily
:
P-loop containing nucleoside triphosphate hydrolases
(2083)
Family
:
G proteins
(693)
Protein domain
:
cH-p21 Ras protein
(104)
Human (Homo sapiens) [TaxId: 9606]
(104)
1a
d5p21a_
A:
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CATH Domains
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1a: CATH_5p21A00 (A:1-166)
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Class
:
Alpha Beta
(26913)
Architecture
:
3-Layer(aba) Sandwich
(12045)
Topology
:
Rossmann fold
(7312)
Homologous Superfamily
:
P-loop containing nucleotide triphosphate hydrolases
(1378)
Human (Homo sapiens)
(413)
1a
5p21A00
A:1-166
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Asymmetric Unit 1
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