2BEA - JenaLib

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Title :   CRYSTAL STRUCTURE OF ASN14 TO GLY MUTANT OF WCI

Authors :   J. K. Dattagupta, U. Sen, J. Dasgupta, S. Khamrui

Date :   24 Oct 05 (Deposition) - 13 Jun 06 (Release) - 24 Feb 09 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.35

Chains :   Asym. Unit : A,B
Biol. Unit 1: A  (1x)
Biol. Unit 2: B  (1x)

Keywords :   Beta Trefoil, Spacer, Mutant, Hydrolase Inhibitor (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   J. Dasgupta, S. Khamrui, J. K. Dattagupta, U. Sen
Spacer Asn Determines The Fate Of Kunitz (Sti) Inhibitors, As Revealed By Structural And Biochemical Studies On Wci Mutants.
Biochemistry V. 45 6783 2006
PubMed-ID: 16734415 | Reference-DOI: 10.1021/BI060374Q
(for further references see the PDB file header)

Molecule 1 - CHYMOTRYPSIN INHIBITOR 3
	Chains	:	A, B
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI BL21(DE3)
	Expression System Strain	:	BL21(DE3)
	Expression System Taxid	:	469008
	Expression System Vector Type	:	PET28A+
	Mutation	:	YES
	Organism Common	:	WINGED BEAN
	Organism Scientific	:	PSOPHOCARPUS TETRAGONOLOBUS
	Organism Taxid	:	3891
	Synonym	:	WCI-3

		1	2
Asymmetric Unit	:	A	B
Biological Unit 1 (1x)	:	A
Biological Unit 2 (1x)	:		B

Summary Information (see also Sequences/Alignments below)

(no "Ligand,Modified Residues,Ions" information available for 2BEA)

(no "Site" information available for 2BEA)

Asymmetric Unit

No.	Residues
1	A:44	-	A:88
2	A:138	-	A:147
3	B:44	-	B:88
4	B:138	-	B:147

(no "Cis Peptide Bond" information available for 2BEA)

(no "SAP(SNP)/Variant" information available for 2BEA)

Asymmetric Unit (1, 2)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	SOYBEAN_KUNITZ	PS00283	Soybean trypsin inhibitor (Kunitz) protease inhibitors family signature.	ICW3_PSOTE	28-44	2	A:7-23 B:7-23

Biological Unit 1 (1, 1)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	SOYBEAN_KUNITZ	PS00283	Soybean trypsin inhibitor (Kunitz) protease inhibitors family signature.	ICW3_PSOTE	28-44	1	A:7-23 -

Biological Unit 2 (1, 1)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	SOYBEAN_KUNITZ	PS00283	Soybean trypsin inhibitor (Kunitz) protease inhibitors family signature.	ICW3_PSOTE	28-44	1	- B:7-23

(no "Exon" information available for 2BEA)

Asymmetric Unit

Reformat:	Number of residues per line = ('0' or empty: single-line sequence representation)
	Number of residues per labelling interval =
	UniProt sequence: complete aligned part

Show mapping:	SCOP domains	CATH domains	Pfam domains	Secondary structure (by author)
	SAPs(SNPs)	PROSITE motifs	Exons
	(details for a mapped element are shown in a popup box when the mouse pointer rests over it)

Chain A from PDB  Type:PROTEIN  Length:170
 aligned with ICW3_PSOTE | P10822 from UniProtKB/Swiss-Prot  Length:207

    Alignment length:174
                                    36        46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196    
           ICW3_PSOTE    27 DLVDAEGNLVENGGTYYLLPHIWAHGGGIETAKTGNEPCPLTVVRSPNEVSKGEPIRISSQFLSLFIPRGSLVALGFANPPSCAASPWWTVVDSPQGPAVKLSQQKLPEKDILVFKFEKVSHSNIHVYKLLYCQHDEEDVKCDQYIGIHRDRNGNRRLVVTEENPLELVLLKAK 200
               SCOP domains d2beaa_ A: automated matches                                                                                                                                                   SCOP domains
               CATH domains 2beaA00 A:6-179  [code=2.80.10.50, no name defined]                                                                                                                            CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..............eeeee..hhhhh..eeee.........eeee..........eeee..............eeee............eee......eee......hhhhh..eeeeee......eeeeee...----....eeeeeee.....eeeee......eeeeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE -SOYBEAN_KUNITZ   ------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2bea A   6 DLVDAEGNLVEGGGTYYLLPHIWAHGGGIETAKTGNEPCPLTVVRSPNEVSKGEPIRISSQFLSLFIPRGSLVALGFANPPSCAASPWWTVVDSPQGPAVKLSQQKLPEKDILVFKFEKVSHSNIHVYKLLYCQH----VKCDQYIGIHRDRNGNRRLVVTEENPLELVLLKAK 179
                                    15        25        35        45        55        65        75        85        95       105       115       125       135    |  145       155       165       175    
                                                                                                                                                                140  145

Chain B from PDB  Type:PROTEIN  Length:170
 aligned with ICW3_PSOTE | P10822 from UniProtKB/Swiss-Prot  Length:207

    Alignment length:174
                                    36        46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196    
           ICW3_PSOTE    27 DLVDAEGNLVENGGTYYLLPHIWAHGGGIETAKTGNEPCPLTVVRSPNEVSKGEPIRISSQFLSLFIPRGSLVALGFANPPSCAASPWWTVVDSPQGPAVKLSQQKLPEKDILVFKFEKVSHSNIHVYKLLYCQHDEEDVKCDQYIGIHRDRNGNRRLVVTEENPLELVLLKAK 200
               SCOP domains d2beab_ B: automated matches                                                                                                                                                   SCOP domains
               CATH domains 2beaB00 B:6-179  [code=2.80.10.50, no name defined]                                                                                                                            CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..............eeeeee........eeee.........eeee..........eeee..............eeee............eee......eee......hhhhh..eeeeeeee..eeeeeeeeee.----.eeeeeeeeee.....eeeee......eeeeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE -SOYBEAN_KUNITZ   ------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2bea B   6 DLVDAEGNLVEGGGTYYLLPHIWAHGGGIETAKTGNEPCPLTVVRSPNEVSKGEPIRISSQFLSLFIPRGSLVALGFANPPSCAASPWWTVVDSPQGPAVKLSQQKLPEKDILVFKFEKVSHSNIHVYKLLYCQH----VKCDQYIGIHRDRNGNRRLVVTEENPLELVLLKAK 179
                                    15        25        35        45        55        65        75        85        95       105       115       125       135    |  145       155       165       175    
                                                                                                                                                                140  145

Legend:		→ Mismatch	(orange background)
	-	→ Gap	(green background, '-', border residues have a numbering label)
		→ Modified Residue	(blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
	x	→ Chemical Group	(purple background, 'x', labelled with number + name, e.g. ACE or NH2)
	extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '\|'

Asymmetric Unit

Classes(

)

Folds(

)

Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

Class: All beta proteins (24004)

Fold: beta-Trefoil (385)

Superfamily: STI-like (91)

Family: Kunitz (STI) inhibitors (29)

Protein domain: automated matches (11)

Winged bean (Psophocarpus tetragonolobus) [TaxId: 3891] (10)

1a	d2beaa_	A:
1b	d2beab_	B:

Asymmetric Unit

Classes(

)

Architectures( (-)

)

Topologies( (-)

)

Homologous Superfamilies( (-)

)

Organisms( (-)

)

Class: Mainly Beta (13760)

Architecture: Trefoil (289)

Topology: Trefoil (Acidic Fibroblast Growth Factor, subunit A) (289)

Homologous Superfamily: [code=2.80.10.50, no name defined] (289)

Winged bean (Psophocarpus tetragonolobus) (12)

1a	2beaA00	A:6-179
1b	2beaB00	B:6-179

(no "Pfam Domain" information available for 2BEA)

Asymmetric Unit(hide GO term definitions)

Chain A,B (ICW3_PSOTE | P10822)

molecular function
	GO:0004866	endopeptidase inhibitor activity	Stops, prevents or reduces the activity of an endopeptidase, any enzyme that hydrolyzes nonterminal peptide bonds in polypeptides.
	GO:0030414	peptidase inhibitor activity	Stops, prevents or reduces the activity of a peptidase, any enzyme that catalyzes the hydrolysis peptide bonds.
	GO:0004867	serine-type endopeptidase inhibitor activity	Stops, prevents or reduces the activity of serine-type endopeptidases, enzymes that catalyze the hydrolysis of nonterminal peptide bonds in a polypeptide chain; a serine residue (and a histidine residue) are at the active center of the enzyme.
biological process
	GO:0010951	negative regulation of endopeptidase activity	Any process that decreases the frequency, rate or extent of endopeptidase activity, the endohydrolysis of peptide bonds within proteins.
	GO:0010466	negative regulation of peptidase activity	Any process that stops or reduces the rate of peptidase activity, the hydrolysis of peptide bonds within proteins.

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1eyl
1fmz
2beb	X-RAY STRUCTURE OF ASN TO THR MUTANT OF WINGED BEAN CHYMOTRYPSIN INHIBITOR

Description

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Ligands, Modified Residues, Ions (0, 0)

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SS Bonds (4, 4)

Cis Peptide Bonds (0, 0)

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Exons (0, 0)

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