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1VWK
Asym. Unit
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Asym.Unit (102 KB)
Biol.Unit 1 (188 KB)
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(1)
Title
:
STREPTAVIDIN-CYCLO-[5-S-VALERAMIDE-HPQGPPC]K-NH2
Authors
:
B. A. Katz, R. T. Cass
Date
:
03 Mar 97 (Deposition) - 18 Mar 98 (Release) - 16 Nov 11 (Revision)
Method
:
X-RAY DIFFRACTION
Resolution
:
1.45
Chains
:
Asym. Unit : B,D,M,P
Biol. Unit 1: B,D,M,P (2x)
Keywords
:
Complex (Biotin-Binding Protein-Peptide), Linear Thioether-Containing Peptide Engineered, Complex (Biotin-Binding Protein-Peptide) Complex
(Keyword Search:
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Reference
:
B. A. Katz, R. T. Cass
In Crystals Of Complexes Of Streptavidin With Peptide Ligands Containing The Hpq Sequence The Pka Of The Peptide Histidine Is Less Than 3. 0.
J. Biol. Chem. V. 272 13220 1997
(for further references see the
PDB file header
)
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Hetero Components
(2, 4)
Info
All Hetero Components
1a: LEVULINIC ACID (LEAa)
1b: LEVULINIC ACID (LEAb)
2a: AMINO GROUP (NH2a)
2b: AMINO GROUP (NH2b)
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No.
Name
Count
Type
Full Name
1
LEA
2
Ligand/Ion
LEVULINIC ACID
2
NH2
2
Mod. Amino Acid
AMINO GROUP
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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
CYS M:1 , HIS M:3 , PRO M:4 , HOH M:1028
BINDING SITE FOR RESIDUE LEA M 2
2
AC2
SOFTWARE
CYS P:1 , HIS P:3 , PRO P:4
BINDING SITE FOR RESIDUE LEA P 2
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SAPs(SNPs)/Variants
(0, 0)
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PROSITE Patterns/Profiles
(2, 4)
Info
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1: AVIDIN_2 (B:13-135,D:13-133)
2: AVIDIN_1 (B:118-132,D:118-132)
;
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PROSITE
UniProtKB
PDB
No.
ID
AC
Description
ID
Location
Count
Location
1
AVIDIN_2
PS51326
Avidin-like domain profile.
SAV_STRAV
37-159
2
B:13-135
D:13-133
2
AVIDIN_1
PS00577
Avidin-like domain signature.
SAV_STRAV
142-156
2
B:118-132
D:118-132
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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
(1, 2)
Info
All SCOP Domains
1a: SCOP_d1vwkb_ (B:)
1b: SCOP_d1vwkd_ (D:)
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Class
:
All beta proteins
(24004)
Fold
:
Streptavidin-like
(225)
Superfamily
:
Avidin/streptavidin
(197)
Family
:
Avidin/streptavidin
(181)
Protein domain
:
Streptavidin
(121)
Streptomyces avidinii [TaxId: 1895]
(121)
1a
d1vwkb_
B:
1b
d1vwkd_
D:
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CATH Domains
(1, 2)
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all CATH domains
1a: CATH_1vwkD00 (D:13-133)
1b: CATH_1vwkB00 (B:13-135)
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Class
:
Mainly Beta
(13760)
Architecture
:
Beta Barrel
(4804)
Topology
:
Lipocalin
(526)
Homologous Superfamily
:
[code=2.40.128.30, no name defined]
(148)
Streptomyces avidinii. Organism_taxid: 1895.
(7)
1a
1vwkD00
D:13-133
1b
1vwkB00
B:13-135
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Pfam Domains
(1, 2)
Info
all PFAM domains
1a: PFAM_Avidin_1vwkD01 (D:15-132)
1b: PFAM_Avidin_1vwkD02 (D:15-132)
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Clan
:
no clan defined [family: Avidin]
(113)
Family
:
Avidin
(113)
Streptomyces avidinii
(97)
1a
Avidin-1vwkD01
D:15-132
1b
Avidin-1vwkD02
D:15-132
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Asymmetric Unit 1
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