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2QN6
Asym. Unit
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Asym.Unit (90 KB)
Biol.Unit 1 (86 KB)
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(1)
Title
:
STRUCTURE OF AN ARCHAEAL HETEROTRIMERIC INITIATION FACTOR 2 REVEALS A NUCLEOTIDE STATE BETWEEN THE GTP AND THE GDP STATES
Authors
:
Y. Mechulam, L. Yatime, S. Blanquet, E. Schmitt
Date
:
18 Jul 07 (Deposition) - 06 Nov 07 (Release) - 13 Jul 11 (Revision)
Method
:
X-RAY DIFFRACTION
Resolution
:
2.15
Chains
:
Asym. Unit : A,B,C
Biol. Unit 1: A,B,C (1x)
Keywords
:
Initiation Of Translation, Gtp-Binding, Initiation Factor, Nucleotide-Binding, Protein Biosynthesis, Rna-Binding, Translation
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Reference
:
L. Yatime, Y. Mechulam, S. Blanquet, E. Schmitt
Structure Of An Archaeal Heterotrimeric Initiation Factor 2 Reveals A Nucleotide State Between The Gtp And The Gdp States.
Proc. Natl. Acad. Sci. Usa V. 104 18445 2007
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Hetero Components
(2, 2)
Info
All Hetero Components
1a: GUANOSINE-5'-DIPHOSPHATE (GDPa)
2a: MAGNESIUM ION (MGa)
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Label:
No.
Name
Count
Type
Full Name
1
GDP
1
Ligand/Ion
GUANOSINE-5'-DIPHOSPHATE
2
MG
1
Ligand/Ion
MAGNESIUM ION
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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
THR A:23 , GDP A:417 , HOH A:552 , HOH A:554 , HOH A:566 , HOH A:567
BINDING SITE FOR RESIDUE MG A 416
2
AC2
SOFTWARE
ASP A:19 , HIS A:20 , GLY A:21 , LYS A:22 , THR A:23 , THR A:24 , ASN A:149 , LYS A:150 , ASP A:152 , VAL A:153 , SER A:184 , ALA A:185 , LEU A:186 , MG A:416 , HOH A:552 , HOH A:554 , HOH A:567
BINDING SITE FOR RESIDUE GDP A 417
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SAPs(SNPs)/Variants
(0, 0)
Info
(mutated residues are not available)
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PROSITE Patterns/Profiles
(0, 0)
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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
(4, 4)
Info
All SCOP Domains
1a: SCOP_d2qn6a2 (A:321-415)
2a: SCOP_d2qn6a1 (A:207-320)
3a: SCOP_d2qn6b_ (B:)
4a: SCOP_d2qn6a3 (A:2-206)
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Protein Domains
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)
(
)
Organisms
(
)
(
)
Class
:
All beta proteins
(24004)
Fold
:
Elongation factor/aminomethyltransferase common domain
(82)
Superfamily
:
EF-Tu/eEF-1alpha/eIF2-gamma C-terminal domain
(67)
Family
:
EF-Tu/eEF-1alpha/eIF2-gamma C-terminal domain
(48)
Protein domain
:
Initiation factor eIF2 gamma subunit
(16)
Sulfolobus solfataricus [TaxId: 2287]
(10)
1a
d2qn6a2
A:321-415
Fold
:
Reductase/isomerase/elongation factor common domain
(381)
Superfamily
:
Translation proteins
(218)
Family
:
Elongation factors
(77)
Protein domain
:
Initiation factor eIF2 gamma subunit, domain II
(16)
Sulfolobus solfataricus [TaxId: 2287]
(10)
2a
d2qn6a1
A:207-320
Class
:
Alpha and beta proteins (a+b)
(23004)
Fold
:
Ferredoxin-like
(1795)
Superfamily
:
eIF-2-alpha, C-terminal domain
(5)
Family
:
eIF-2-alpha, C-terminal domain
(5)
Protein domain
:
eIF-2-alpha, C-terminal domain
(5)
Sulfolobus solfataricus [TaxId: 2287]
(4)
3a
d2qn6b_
B:
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
:
Initiation factor eIF2 gamma subunit, N-terminal (G) domain
(16)
Sulfolobus solfataricus [TaxId: 2287]
(10)
4a
d2qn6a3
A:2-206
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CATH Domains
(2, 3)
Info
all CATH domains
1a: CATH_2qn6A01 (A:2-207)
2a: CATH_2qn6A02 (A:208-322)
2b: CATH_2qn6A03 (A:323-415)
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)
Organisms
(
)
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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)
Sulfolobus solfataricus p2. Organism_taxid: 273057. Strain: p2.
(4)
1a
2qn6A01
A:2-207
Class
:
Mainly Beta
(13760)
Architecture
:
Beta Barrel
(4804)
Topology
:
Elongation Factor Tu (Ef-tu); domain 3
(323)
Homologous Superfamily
:
Translation factors
(223)
Sulfolobus solfataricus p2. Organism_taxid: 273057. Strain: p2.
(2)
2a
2qn6A02
A:208-322
2b
2qn6A03
A:323-415
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Pfam Domains
(5, 5)
Info
all PFAM domains
1a: PFAM_GTP_EFTU_2qn6A01 (A:7-204)
2a: PFAM_EIF_2_alpha_2qn6B01 (B:176-236)
3a: PFAM_GTP_EFTU_D2_2qn6A02 (A:235-308)
4a: PFAM_eIF_5_eIF_2B_2qn6C01 (C:13-19)
5a: PFAM_eIF2_C_2qn6A03 (A:326-413)
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Clans
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)
Organisms
(
)
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)
Clan
:
P-loop_NTPase
(1112)
Family
:
GTP_EFTU
(39)
Sulfolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2)
(6)
1a
GTP_EFTU-2qn6A01
A:7-204
Clan
:
no clan defined [family: EIF_2_alpha]
(5)
Family
:
EIF_2_alpha
(5)
Sulfolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2)
(1)
2a
EIF_2_alpha-2qn6B01
B:176-236
Clan
:
no clan defined [family: GTP_EFTU_D2]
(39)
Family
:
GTP_EFTU_D2
(39)
Sulfolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2)
(6)
3a
GTP_EFTU_D2-2qn6A02
A:235-308
Clan
:
no clan defined [family: eIF-5_eIF-2B]
(4)
Family
:
eIF-5_eIF-2B
(4)
Sulfolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2)
(2)
4a
eIF-5_eIF-2B-2qn6C01
C:13-19
Clan
:
no clan defined [family: eIF2_C]
(10)
Family
:
eIF2_C
(10)
Sulfolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2)
(4)
5a
eIF2_C-2qn6A03
A:326-413
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