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1SGN
Asym. Unit
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Asym.Unit (43 KB)
Biol.Unit 1 (39 KB)
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(1)
Title
:
ASN 18 VARIANT OF TURKEY OVOMUCOID INHIBITOR THIRD DOMAIN COMPLEXED WITH STREPTOMYCES GRISEUS PROTEINASE B
Authors
:
K. Huang, W. Lu, S. Anderson, M. Laskowski Jr. , M. N. G. James
Date
:
25 Mar 99 (Deposition) - 26 Aug 03 (Release) - 08 Feb 17 (Revision)
Method
:
X-RAY DIFFRACTION
Resolution
:
1.80
Chains
:
Asym. Unit : E,I
Biol. Unit 1: E,I (1x)
Keywords
:
Complex (Serine Protease-Inhibitor), Serine Proteinase, Protein Inhibitor, Hydrolase-Hydrolase Inhibitor Complex
(Keyword Search:
[
Gene Ontology, PubMed, Web (Google)
]
)
Reference
:
K. Huang, W. Lu, S. Anderson, M. Laskowski Jr. , M. N. G. James
Recruitment Of A Buried K+ Ion To Stabilize The Negative Charge Of Ionized P1 In The Hydrophobic Pocket: Crystal Structures Of Glu18, Gln18, Asp18 And Asn18 Variants Of Turkey Ovomucoid Inhibitor Third Domain Complexed With Streptomyces Griseus Protease B At Various Phs
To Be Published
(for further references see the
PDB file header
)
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Hetero Components
(1, 1)
Info
All Hetero Components
1a: PHOSPHATE ION (PO4a)
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No.
Name
Count
Type
Full Name
1
PO4
1
Ligand/Ion
PHOSPHATE ION
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Sites
(3, 3)
Info
All Sites
1: AC1 (SOFTWARE)
2: ACT (AUTHOR)
3: REA (AUTHOR)
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No.
Name
Evidence
Residues
Description
1
AC1
SOFTWARE
TYR E:32 , ARG E:41 , HOH E:595 , TYR I:20 , LYS I:55
BINDING SITE FOR RESIDUE PO4 E 500
2
ACT
AUTHOR
HIS E:57 , ASP E:102 , SER E:195
ACTIVE SITE
3
REA
AUTHOR
ASN I:18 , GLU I:19
REACTIVE SITE
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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
(3, 3)
Info
All PROSITE Patterns/Profiles
1: KAZAL_1 (-|I:16-38)
2: TRYPSIN_HIS (E:53-58)
3: TRYPSIN_SER (E:191-200)
;
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End label:
PROSITE
UniProtKB
PDB
No.
ID
AC
Description
ID
Location
Count
Location
1
KAZAL_1
PS00282
Kazal serine protease inhibitors family signature.
IOVO_MELGA
86-108
145-167
1
-
I:16-38
2
TRYPSIN_HIS
PS00134
Serine proteases, trypsin family, histidine active site.
PRTB_STRGR
143-148
1
E:53-58
3
TRYPSIN_SER
PS00135
Serine proteases, trypsin family, serine active site.
PRTB_STRGR
249-260
1
E:191-200
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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, 2)
Info
All SCOP Domains
1a: SCOP_d1sgne_ (E:)
2a: SCOP_d1sgni_ (I:)
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Protein Domains
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(
)
Organisms
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)
(
)
Class
:
All beta proteins
(24004)
Fold
:
Trypsin-like serine proteases
(1752)
Superfamily
:
Trypsin-like serine proteases
(1752)
Family
:
Prokaryotic proteases
(131)
Protein domain
:
Protease B
(20)
Streptomyces griseus, strain k1 [TaxId: 1911]
(20)
1a
d1sgne_
E:
Class
:
Small proteins
(3458)
Fold
:
Kazal-type serine protease inhibitors
(75)
Superfamily
:
Kazal-type serine protease inhibitors
(75)
Family
:
Ovomucoid domain III-like
(69)
Protein domain
:
Ovomucoid domains
(42)
Turkey (Meleagris gallopavo) [TaxId: 9103]
(36)
2a
d1sgni_
I:
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CATH Domains
(2, 3)
Info
all CATH domains
1a: CATH_1sgnI00 (I:6-56)
2a: CATH_1sgnE02 (E:117-230)
2b: CATH_1sgnE01 (E:16-116,E:231-242)
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)
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)
(
)
Organisms
(
)
(
)
Class
:
Alpha Beta
(26913)
Architecture
:
2-Layer Sandwich
(8480)
Topology
:
Wheat Germ Agglutinin (Isolectin 2); domain 1
(140)
Homologous Superfamily
:
[code=3.30.60.30, no name defined]
(93)
Streptomyces griseus. Organism_taxid: 1911. Strain: k1.
(17)
1a
1sgnI00
I:6-56
Class
:
Mainly Beta
(13760)
Architecture
:
Beta Barrel
(4804)
Topology
:
Thrombin, subunit H
(1535)
Homologous Superfamily
:
Trypsin-like serine proteases
(1488)
Streptomyces griseus. Organism_taxid: 1911. Strain: k1.
(17)
2a
1sgnE02
E:117-230
2b
1sgnE01
E:16-116,E:231-242
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Pfam Domains
(2, 2)
Info
all PFAM domains
1a: PFAM_Kazal_1_1sgnI01 (I:8-56)
2a: PFAM_Trypsin_1sgnE01 (E:16-236)
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)
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)
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)
Clan
:
Kazal
(46)
Family
:
Kazal_1
(34)
Meleagris gallopavo (Common turkey)
(22)
1a
Kazal_1-1sgnI01
I:8-56
Clan
:
Peptidase_PA
(797)
Family
:
Trypsin
(679)
Streptomyces griseus
(24)
2a
Trypsin-1sgnE01
E:16-236
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