3RU4

Crystal structure of the Bowman-Birk serine protease inhibitor BTCI in complex with trypsin and chymotrypsin


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.68 Å
  • R-Value Free: 0.192 
  • R-Value Work: 0.157 
  • R-Value Observed: 0.159 

wwPDB Validation   3D Report Full Report


This is version 1.1 of the entry. See complete history


Literature

Crystal structure of the Bowman-Birk serine protease inhibitor BTCI in complex with trypsin and chymotrypsin

Esteves, G.F.Teles, R.C.L.Cavalcante, N.S.Neves, D.Ventura, M.M.Barbosa, J.A.R.G.Freitas, S.M.

To be published.

Macromolecules
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Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Cationic trypsinA [auth T]223Bos taurusMutation(s): 0 
EC: 3.4.21.4
UniProt
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UniProt GroupP00760
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  • Reference Sequence
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Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
Bowman-Birk type seed trypsin and chymotrypsin inhibitor61Vigna unguiculataMutation(s): 0 
UniProt
Find proteins for P17734 (Vigna unguiculata)
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UniProt GroupP17734
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Entity ID: 3
MoleculeChains Sequence LengthOrganismDetailsImage
Chymotrypsinogen A11Bos taurusMutation(s): 0 
EC: 3.4.21.1
UniProt
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UniProt GroupP00766
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Entity ID: 4
MoleculeChains Sequence LengthOrganismDetailsImage
Chymotrypsinogen A131Bos taurusMutation(s): 0 
EC: 3.4.21.1
UniProt
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UniProt GroupP00766
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Entity ID: 5
MoleculeChains Sequence LengthOrganismDetailsImage
Chymotrypsinogen A96Bos taurusMutation(s): 0 
EC: 3.4.21.1
UniProt
Find proteins for P00766 (Bos taurus)
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UniProt GroupP00766
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  • Reference Sequence
Small Molecules
Ligands 5 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
MRD
Query on MRD

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R [auth T],
Y [auth D]
(4R)-2-METHYLPENTANE-2,4-DIOL
C6 H14 O2
SVTBMSDMJJWYQN-RXMQYKEDSA-N
SO4
Query on SO4

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AA [auth E]
L [auth T]
M [auth T]
N [auth T]
T [auth B]
AA [auth E],
L [auth T],
M [auth T],
N [auth T],
T [auth B],
U [auth B],
V [auth D],
W [auth D],
Z [auth E]
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
GOL
Query on GOL

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G [auth T]
H [auth T]
I [auth T]
J [auth T]
K [auth T]
G [auth T],
H [auth T],
I [auth T],
J [auth T],
K [auth T],
S [auth B]
GLYCEROL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
EDO
Query on EDO

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BA [auth E]
CA [auth E]
O [auth T]
P [auth T]
Q [auth T]
BA [auth E],
CA [auth E],
O [auth T],
P [auth T],
Q [auth T],
X [auth D]
1,2-ETHANEDIOL
C2 H6 O2
LYCAIKOWRPUZTN-UHFFFAOYSA-N
CA
Query on CA

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F [auth T]CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.68 Å
  • R-Value Free: 0.192 
  • R-Value Work: 0.157 
  • R-Value Observed: 0.159 
  • Space Group: P 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 49.477α = 67.28
b = 54.571β = 71.04
c = 69.286γ = 73.55
Software Package:
Software NamePurpose
MOLREPphasing
REFMACrefinement
HKL-2000data reduction
SCALEPACKdata scaling

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2012-08-29
    Type: Initial release
  • Version 1.1: 2023-09-13
    Changes: Data collection, Database references, Derived calculations, Refinement description