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1P2N
Biol. Unit 4
Info
Asym.Unit (107 KB)
Biol.Unit 1 (53 KB)
Biol.Unit 2 (52 KB)
Biol.Unit 3 (103 KB)
Biol.Unit 4 (102 KB)
Biol.Unit 5 (53 KB)
Biol.Unit 6 (53 KB)
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(1)
Title
:
STRUCTURAL CONSEQUENCES OF ACCOMMODATION OF FOUR NON-COGNATE AMINO-ACID RESIDUES IN THE S1 POCKET OF BOVINE TRYPSIN AND CHYMOTRYPSIN
Authors
:
R. Helland, H. Czapinska, I. Leiros, M. Olufsen, J. Otlewski, A. O. Smalaas
Date
:
15 Apr 03 (Deposition) - 20 Apr 04 (Release) - 24 Feb 09 (Revision)
Method
:
X-RAY DIFFRACTION
Resolution
:
1.80
Chains
:
Asym. Unit : A,B,C,D
Biol. Unit 1: A,B (1x)
Biol. Unit 2: C,D (1x)
Biol. Unit 3: A,B,C,D (1x)
Biol. Unit 4: A,B,C,D (1x)
Biol. Unit 5: B,C (1x)
Biol. Unit 6: A,D (1x)
Keywords
:
Trypsin; Chymotrypsin; Serine Proteinase; Bovine Pancreatic Trypsin Inhibitor; Protein-Protein Interaction; Non-Cognate Binding; S1 Pocket; Primary Specificity; Crystal Structure, Hydrolase/Hydrolase Inhibitor Complex
(Keyword Search:
[
Gene Ontology, PubMed, Web (Google)
]
)
Reference
:
R. Helland, H. Czapinska, I. Leiros, M. Olufsen, J. Otlewski, A. O. Smalaas
Structural Consequences Of Accommodation Of Four Non-Cognate Amino Acid Residues In The S1 Pocket Of Bovine Trypsin And Chymotrypsin.
J. Mol. Biol. V. 333 845 2003
(for further references see the
PDB file header
)
[
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Hetero Components
(1, 6)
Info
All Hetero Components
1a: SULFATE ION (SO4a)
1b: SULFATE ION (SO4b)
1c: SULFATE ION (SO4c)
1d: SULFATE ION (SO4d)
1e: SULFATE ION (SO4e)
1f: SULFATE ION (SO4f)
View:
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Label:
No.
Name
Count
Type
Full Name
1
SO4
6
Ligand/Ion
SULFATE ION
[
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Sites
(6, 6)
Info
All Sites
1: AC1 (SOFTWARE)
2: AC2 (SOFTWARE)
3: AC3 (SOFTWARE)
4: AC4 (SOFTWARE)
5: AC5 (SOFTWARE)
6: AC6 (SOFTWARE)
View:
Select:
Label:
No.
Name
Evidence
Residues
Description
1
AC1
SOFTWARE
PHE B:4 , GLU B:7 , ARG B:42 , HOH B:2009 , HOH B:2315 , TYR D:10 , HOH D:2420
BINDING SITE FOR RESIDUE SO4 B 601
2
AC2
SOFTWARE
HOH A:660 , ARG B:20 , TYR B:35 , GLY B:37 , ALA B:40 , HOH B:671 , HOH B:682 , LEU C:97
BINDING SITE FOR RESIDUE SO4 B 602
3
AC3
SOFTWARE
TYR B:10 , HOH B:2251 , HOH B:2302 , HOH B:2481 , PHE D:4 , GLU D:7 , ARG D:42 , HOH D:2017
BINDING SITE FOR RESIDUE SO4 B 603
4
AC4
SOFTWARE
PRO B:2 , ASP B:3 , HOH B:2012 , HOH B:2065 , HOH B:2250 , HOH B:2338 , TYR C:171 , TRP C:172 , SER C:217 , SER C:218 , HOH C:2069
BINDING SITE FOR RESIDUE SO4 B 604
5
AC5
SOFTWARE
TYR A:171 , TRP A:172 , SER A:217 , SER A:218 , HOH A:2110 , HOH A:2247 , HOH A:2334 , PRO D:2 , ASP D:3 , HOH D:2013 , HOH D:2090
BINDING SITE FOR RESIDUE SO4 A 605
6
AC6
SOFTWARE
LEU A:97 , HOH C:1660 , ARG D:20 , TYR D:35 , GLY D:37 , HOH D:1671
BINDING SITE FOR RESIDUE SO4 D 1602
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SAPs(SNPs)/Variants
(0, 0)
Info
(mutated residues are only available for the asymmetric unit)
All SNPs/Variants
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Sorry, no Info available
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PROSITE Patterns/Profiles
(5, 10)
Info
All PROSITE Patterns/Profiles
1: TRYPSIN_DOM (A:16-243,C:16-243)
2: BPTI_KUNITZ_2 (B:5-55,D:5-55)
3: TRYPSIN_HIS (A:53-58,C:53-58)
4: BPTI_KUNITZ_1 (B:33-51,D:33-51)
5: TRYPSIN_SER (A:189-200,C:189-200)
;
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End label:
PROSITE
UniProtKB
PDB
No.
ID
AC
Description
ID
Location
Count
Location
1
TRYPSIN_DOM
PS50240
Serine proteases, trypsin domain profile.
CTRA_BOVIN
16-243
2
A:16-243
C:16-243
2
BPTI_KUNITZ_2
PS50279
Pancreatic trypsin inhibitor (Kunitz) family profile.
BPT1_BOVIN
40-90
2
B:5-55
D:5-55
3
TRYPSIN_HIS
PS00134
Serine proteases, trypsin family, histidine active site.
CTRA_BOVIN
53-58
2
A:53-58
C:53-58
4
BPTI_KUNITZ_1
PS00280
Pancreatic trypsin inhibitor (Kunitz) family signature.
BPT1_BOVIN
68-86
2
B:33-51
D:33-51
5
TRYPSIN_SER
PS00135
Serine proteases, trypsin family, serine active site.
CTRA_BOVIN
189-200
2
A:189-200
C:189-200
[
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]
Exons
(0, 0)
Info
All Exons
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Note:
Exon boundaries colored in "red" are actually farther away from the residue due to missing residues in the structure.
(no "Exon" information available for biological units yet)
SCOP Domains
(2, 4)
Info
All SCOP Domains
1a: SCOP_d1p2na_ (A:)
1b: SCOP_d1p2nc_ (C:)
2a: SCOP_d1p2nb_ (B:)
2b: SCOP_d1p2nd_ (D:)
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(
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)
(
)
Protein Domains
(
)
(
)
Organisms
(
)
(
)
Class
:
All beta proteins
(24004)
Fold
:
Trypsin-like serine proteases
(1752)
Superfamily
:
Trypsin-like serine proteases
(1752)
Family
:
Eukaryotic proteases
(1343)
Protein domain
:
(alpha,gamma)-chymotrypsin(ogen)
(60)
Cow (Bos taurus) [TaxId: 9913]
(58)
1a
d1p2na_
A:
1b
d1p2nc_
C:
Class
:
Small proteins
(3458)
Fold
:
BPTI-like
(161)
Superfamily
:
BPTI-like
(161)
Family
:
Small Kunitz-type inhibitors & BPTI-like toxins
(128)
Protein domain
:
Pancreatic trypsin inhibitor, BPTI
(85)
Cow (Bos taurus) [TaxId: 9913]
(85)
2a
d1p2nb_
B:
2b
d1p2nd_
D:
[
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CATH Domains
(2, 6)
Info
all CATH domains
1a: CATH_1p2nB00 (B:1-58)
1b: CATH_1p2nD00 (D:1-58)
2a: CATH_1p2nA02 (A:28-120,A:233-243)
2b: CATH_1p2nC02 (C:28-120,C:233-243)
2c: CATH_1p2nA01 (A:16-27,A:121-232)
2d: CATH_1p2nC01 (C:16-27,C:121-232)
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)
Organisms
(
)
(
)
Class
:
Few Secondary Structures
(1120)
Architecture
:
Irregular
(1120)
Topology
:
Factor Xa Inhibitor
(116)
Homologous Superfamily
:
Factor Xa Inhibitor
(116)
Cattle (Bos taurus)
(61)
1a
1p2nB00
B:1-58
1b
1p2nD00
D:1-58
Class
:
Mainly Beta
(13760)
Architecture
:
Beta Barrel
(4804)
Topology
:
Thrombin, subunit H
(1535)
Homologous Superfamily
:
Trypsin-like serine proteases
(1488)
Cattle (Bos taurus)
(308)
2a
1p2nA02
A:28-120,A:233-243
2b
1p2nC02
C:28-120,C:233-243
2c
1p2nA01
A:16-27,A:121-232
2d
1p2nC01
C:16-27,C:121-232
[
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Pfam Domains
(2, 4)
Info
all PFAM domains
1a: PFAM_Trypsin_1p2nC01 (C:16-238)
1b: PFAM_Trypsin_1p2nC02 (C:16-238)
2a: PFAM_Kunitz_BPTI_1p2nD01 (D:4-56)
2b: PFAM_Kunitz_BPTI_1p2nD02 (D:4-56)
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)
(
)
Clan
:
Peptidase_PA
(797)
Family
:
Trypsin
(679)
Bos taurus (Bovine)
(190)
1a
Trypsin-1p2nC01
C:16-238
1b
Trypsin-1p2nC02
C:16-238
Clan
:
Protease_inhib
(47)
Family
:
Kunitz_BPTI
(45)
Bos taurus (Bovine)
(33)
2a
Kunitz_BPTI-1p2nD01
D:4-56
2b
Kunitz_BPTI-1p2nD02
D:4-56
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Asymmetric Unit 1
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Asym.Unit (107 KB)
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Biol.Unit 4 (102 KB)
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