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1SXT
Asym. Unit
Info
Asym.Unit (77 KB)
Biol.Unit 1 (37 KB)
Biol.Unit 2 (37 KB)
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(1)
Title
:
STAPHYLOCOCCAL ENTEROTOXIN TYPE A (SEA) CO-CRYSTALLISED WITH ZINC
Authors
:
S. M. Sundstrom
Date
:
14 Nov 96 (Deposition) - 19 Nov 97 (Release) - 24 Feb 09 (Revision)
Method
:
X-RAY DIFFRACTION
Resolution
:
2.70
Chains
:
Asym. Unit : A,B
Biol. Unit 1: A (1x)
Biol. Unit 2: B (1x)
Keywords
:
Superantigen, Staphylococcus, Enterotoxin, Toxin
(Keyword Search:
[
Gene Ontology, PubMed, Web (Google)
]
)
Reference
:
M. Sundstrom, D. Hallen, A. Svensson, E. Schad, M. Dohlsten, L. Abrahmsen
The Co-Crystal Structure Of Staphylococcal Enterotoxin Type A With Zn2+ At 2. 7 A Resolution. Implications For Major Histocompatibility Complex Class Ii Binding.
J. Biol. Chem. V. 271 32212 1996
(for further references see the
PDB file header
)
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Hetero Components
(1, 2)
Info
All Hetero Components
1a: ZINC ION (ZNa)
1b: ZINC ION (ZNb)
View:
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Label:
No.
Name
Count
Type
Full Name
1
ZN
2
Ligand/Ion
ZINC ION
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Sites
(2, 2)
Info
All Sites
1: AC1 (SOFTWARE)
2: AC2 (SOFTWARE)
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Label:
No.
Name
Evidence
Residues
Description
1
AC1
SOFTWARE
HIS A:61 , HIS B:187 , HIS B:225 , ASP B:227
BINDING SITE FOR RESIDUE ZN B 401
2
AC2
SOFTWARE
HIS A:187 , HIS A:225 , ASP A:227
BINDING SITE FOR RESIDUE ZN A 501
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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
(2, 4)
Info
All PROSITE Patterns/Profiles
1: STAPH_STREP_TOXIN_1 (A:108-117,B:108-117)
2: STAPH_STREP_TOXIN_2 (A:147-170,B:147-170)
;
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PROSITE
UniProtKB
PDB
No.
ID
AC
Description
ID
Location
Count
Location
1
STAPH_STREP_TOXIN_1
PS00277
Staphylococcal enterotoxin/Streptococcal pyrogenic exotoxin signature 1.
ETXA_STAAU
132-141
2
A:108-117
B:108-117
2
STAPH_STREP_TOXIN_2
PS00278
Staphyloccocal enterotoxin/Streptococcal pyrogenic exotoxin signature 2.
ETXA_STAAU
171-194
2
A:147-170
B:147-170
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Exons
(0, 0)
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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
(2, 4)
Info
All SCOP Domains
1a: SCOP_d1sxta1 (A:10-120)
1b: SCOP_d1sxtb1 (B:10-120)
2a: SCOP_d1sxta2 (A:121-233)
2b: SCOP_d1sxtb2 (B:121-233)
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Class
:
All beta proteins
(24004)
Fold
:
OB-fold
(1179)
Superfamily
:
Bacterial enterotoxins
(188)
Family
:
Superantigen toxins, N-terminal domain
(91)
Protein domain
:
Staphylococcal enterotoxin A, SEA
(6)
Staphylococcus aureus [TaxId: 1280]
(6)
1a
d1sxta1
A:10-120
1b
d1sxtb1
B:10-120
Class
:
Alpha and beta proteins (a+b)
(23004)
Fold
:
beta-Grasp (ubiquitin-like)
(1032)
Superfamily
:
Superantigen toxins, C-terminal domain
(103)
Family
:
Superantigen toxins, C-terminal domain
(94)
Protein domain
:
Staphylococcal enterotoxin A, SEA
(6)
Staphylococcus aureus [TaxId: 1280]
(6)
2a
d1sxta2
A:121-233
2b
d1sxtb2
B:121-233
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CATH Domains
(2, 4)
Info
all CATH domains
1a: CATH_1sxtA02 (A:10-31,A:117-232)
1b: CATH_1sxtB02 (B:10-31,B:117-232)
2a: CATH_1sxtA01 (A:32-114)
2b: CATH_1sxtB01 (B:32-114)
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Class
:
Alpha Beta
(26913)
Architecture
:
Roll
(3276)
Topology
:
Ubiquitin-like (UB roll)
(674)
Homologous Superfamily
:
[code=3.10.20.120, no name defined]
(91)
Staphylococcus aureus. Organism_taxid: 1280.
(14)
1a
1sxtA02
A:10-31,A:117-232
1b
1sxtB02
B:10-31,B:117-232
Class
:
Mainly Beta
(13760)
Architecture
:
Beta Barrel
(4804)
Topology
:
OB fold (Dihydrolipoamide Acetyltransferase, E2P)
(1040)
Homologous Superfamily
:
[code=2.40.50.110, no name defined]
(136)
Staphylococcus aureus. Organism_taxid: 1280.
(14)
2a
1sxtA01
A:32-114
2b
1sxtB01
B:32-114
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Pfam Domains
(2, 4)
Info
all PFAM domains
1a: PFAM_Stap_Strp_tox_C_1sxtB01 (B:123-231)
1b: PFAM_Stap_Strp_tox_C_1sxtB02 (B:123-231)
2a: PFAM_Stap_Strp_toxin_1sxtB03 (B:25-114)
2b: PFAM_Stap_Strp_toxin_1sxtB04 (B:25-114)
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Clans
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Clan
:
Ant-toxin_C
(48)
Family
:
Stap_Strp_tox_C
(48)
Staphylococcus aureus
(41)
1a
Stap_Strp_tox_C-1sxtB01
B:123-231
1b
Stap_Strp_tox_C-1sxtB02
B:123-231
Clan
:
no clan defined [family: Stap_Strp_toxin]
(39)
Family
:
Stap_Strp_toxin
(39)
Staphylococcus aureus
(33)
2a
Stap_Strp_toxin-1sxtB03
B:25-114
2b
Stap_Strp_toxin-1sxtB04
B:25-114
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Asym.Unit (77 KB)
Header - Asym.Unit
Biol.Unit 1 (37 KB)
Header - Biol.Unit 1
Biol.Unit 2 (37 KB)
Header - Biol.Unit 2
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