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NMR Structure - model 1

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NMR Structure - model 1 (Jmol Viewer)

NMR Structure - model 1, sites (Jmol Viewer)

NMR Structure - all models (Jmol Viewer)

Description

Title :   BIFUNCTIONAL PROTEINASE INHIBITOR TRYPSIN/A-AMYLASE FROM SEEDS OF RAGI (ELEUSINE CORACANA GAERTNERI)

Authors :   S. Strobl, P. Muehlhahn, T. Holak

Date :   31 Mar 95 (Deposition) - 10 Jul 95 (Release) - 24 Feb 09 (Revision)

Method :   SOLUTION NMR

Resolution :   NOT APPLICABLE

Chains :   NMR Structure  : A  (20x)

Keywords :   Serine Proteinase Inhibitor (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   S. Strobl, P. Muhlhahn, R. Bernstein, R. Wiltscheck, K. Maskos, M. Wunderlich, R. Huber, R. Glockshuber, T. A. Holak
Determination Of The Three-Dimensional Structure Of The Bifunctional Alpha-Amylase/Trypsin Inhibitor From Ragi Seeds By Nmr Spectroscopy.
Biochemistry V. 34 8281 1995
PubMed-ID: 7599120 | Reference-DOI: 10.1021/BI00026A009
(for further references see the PDB file header)

Compounds

Molecule 1 - ALPHA-AMYLASE/TRYPSIN INHIBITOR
	Chains	:	A
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Plasmid	:	PRBI-PDI
	Expression System Taxid	:	562
	Organ	:	SEED
	Organism Common	:	FINGER MILLET
	Organism Scientific	:	ELEUSINE CORACANA
	Organism Taxid	:	4511

Structural Features

Chains, Units


NMR Structure (20x)	:

Summary Information (see also Sequences/Alignments below)

Ligands, Modified Residues, Ions (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 1BIP)

Sites (1, 1)

NMR Structure (1, 1)

No.	Name	Evidence	Residues	Description
1	BND	UNKNOWN	GLY A:32 , PRO A:33 , ARG A:34 , LEU A:35 , ALA A:36 , THR A:37	NULL

SS Bonds (5, 5)

NMR Structure

No.	Residues
1	A:6	-	A:55
2	A:20	-	A:44
3	A:29	-	A:85
4	A:45	-	A:103
5	A:57	-	A:114

Cis Peptide Bonds (0, 0)

(no "Cis Peptide Bond" information available for 1BIP)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (2, 2)

NMR Structure (2, 2)

								dbSNP	PDB
No.	Source	Variant ID	Variant			UniProt ID	Status	ID	Chain	Variant
1	UniProt	VAR_IAAT_ELECO_001 *	T	28	A	IAAT_ELECO	---	---	A	T	28	A
2	UniProt	VAR_IAAT_ELECO_002 *	P	70	S	IAAT_ELECO	---	---	A	S	70	S
	* ID not provided by source

SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

PROSITE Motifs (1, 1)

NMR Structure (1, 1)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	CEREAL_TRYP_AMYL_INH	PS00426	Cereal trypsin/alpha-amylase inhibitors family signature.	IAAT_ELECO	6-29	1	A:6-29

Exons (0, 0)

(no "Exon" information available for 1BIP)

Sequences/Alignments

NMR Structure

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
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Chain A from PDB  Type:PROTEIN  Length:122
 aligned with IAAT_ELECO | P01087 from UniProtKB/Swiss-Prot  Length:122

    Alignment length:122
                                    10        20        30        40        50        60        70        80        90       100       110       120  
           IAAT_ELECO     1 SVGTSCIPGMAIPHNPLDSCRWYVSTRTCGVGPRLATQEMKARCCRQLEAIPAYCRCEAVRILMDGVVTPSGQHEGRLLQDLPGCPRQVQRAFAPKLVTEVECNLATIHGGPFCLSLLGAGE 122
               SCOP domains d1bipa_ A: Trypsin/alpha-amylase inhibitor RBI                                                                             SCOP domains
               CATH domains 1bipA00 A:1-122 Bifunctional Trypsin/Alpha-Amylase Inhibitor                                                               CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .................hhhhhhhhhhhh.......hhhhhhhhhhhhhhh......hhhhhhhh.eee...eee...........hhhhhhhh............................ Sec.struct. author
                 SAPs(SNPs) ---------------------------A-----------------------------------------S---------------------------------------------------- SAPs(SNPs)
                    PROSITE -----CEREAL_TRYP_AMYL_INH    --------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------- Transcript
                 1bip A   1 SVGTSCIPGMAIPHNPLDSCRWYVSTRTCGVGPRLATQEMKARCCRQLEAIPAYCRCEAVRILMDGVVTSSGQHEGRLLQDLPGCPRQVQRAFAPKLVTEVECNLATIHGGPFCLSLLGAGE 122
                                    10        20        30        40        50        60        70        80        90       100       110       120

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 '\|'

Classification and Annotation

SCOP Domains (1, 1)

NMR Structure

Classes(

)

Folds(

)

Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

Class: All alpha proteins (14657)

Fold: Bifunctional inhibitor/lipid-transfer protein/seed storage 2S albumin (42)

Superfamily: Bifunctional inhibitor/lipid-transfer protein/seed storage 2S albumin (42)

Family: Proteinase/alpha-amylase inhibitors (6)

Protein domain: Trypsin/alpha-amylase inhibitor RBI (3)

Eleusine coracana, seeds [TaxId: 4511] (3)

d1bipa_

CATH Domains (1, 1)

NMR Structure

Classes(

)

Architectures( (-)

)

Topologies( (-)

)

Homologous Superfamilies( (-)

)

Organisms( (-)

)

Class: Mainly Alpha (13335)

Architecture: Orthogonal Bundle (10391)

Topology: Bifunctional Trypsin/Alpha-Amylase Inhibitor (8)

Homologous Superfamily: Bifunctional Trypsin/Alpha-Amylase Inhibitor (8)

Finger millet (Eleusine coracana) (2)

1bipA00

A:1-122

Pfam Domains (0, 0)

(no "Pfam Domain" information available for 1BIP)

Gene Ontology (6, 6)

NMR Structure(hide GO term definitions)

Chain A (IAAT_ELECO | P01087)

molecular function
	GO:0015066	alpha-amylase inhibitor activity	Stops, prevents or reduces the activity of alpha-amylase.
	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.
cellular component
	GO:0005576	extracellular region	The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.

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Related Entries

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UniProtKB/Swiss-Prot
	IAAT_ELECO \| P01087	:	1b1u 1tmq

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