This document provides information on biological databases, including their history, features, and classifications. It notes that the first protein sequenced was insulin in 1965, and the first genome sequenced was of a virus in 1995. Key features of biological databases discussed include their heterogeneity, high volume of data, uncertainty, data curation, integration, sharing, and dynamic nature as new data is added. Biological databases can be classified by data type, maintainer status, data access, source, design, and organism covered. The purpose of biological databases is to systematically organize and make available vast amounts of complex biological data.
The Protein Data Bank (PDB) is a database for the three-dimensional structural data of large biological molecules, such as proteins and nucleic acids. This presentation deals with what, why, how, where and who of PDB. In this presentation we have also included briefing about various file formats available in PDB with emphasis on PDB file format
The Protein Data Bank (PDB) is a database for the three-dimensional structural data of large biological molecules, such as proteins and nucleic acids. This presentation deals with what, why, how, where and who of PDB. In this presentation we have also included briefing about various file formats available in PDB with emphasis on PDB file format
INTRODUCTION
DEFINITION OF BIOINFORMATICS
HISTORY
OBJECTIVES OF BIOINFORMATICS
TOOLS OF BIOINFORMATICS
BIOLOGICAL DATABASES
HOMOLOGY AND SIMILARITY TOOLS (SEQUENCE ALIGNMENT)
PROTEIN FUNCTION ANALYSIS TOOLS
STRUCTURAL ANALYSIS TOOLS
SEQUENCE MANIPULATION TOOLS
SEQUENCE ANALYSIS TOOLS
APPLICATION
CONCLUSION
REFERENCES
INTRODUCTION
WHAT IS DATA AND DATABASE?
WHAT IS BIOLOGICAL DATABASE?
TYPES OF BIOLOGICAL DATABASE
PRIMARY DATABASE
Nucleic acid sequence database
Protein sequence database
SECONDARY DATABASE
COMPOSITE DATABASE
TERTIARY DATABASE
WHY NEED?
CONCLUSION
REFRENCES
This presentation gives you a detailed information about the swiss prot database that comes under UniProtKB. It also covers TrEMBL: a computer annotated supplement to Swiss-Prot.
this presentation is about bioinformatics. the contents of bioinformatics are as under:
1.Introduction to bioinformatics.
2.Why bioinformatics is necessary?
3.Goals of bioinformatics
4.Field of bioinformatics
5.Where bioinformatics help?
6.Applications of bioinformatics
7.Software and tools of bioinformatics
8.References
The Protein Information Resource, is an integrated public bioinformatics resource to support genomic and proteomic research, and scientific studies & contains protein sequences databases
Secondary Structure Prediction of proteins Vijay Hemmadi
Secondary structure prediction has been around for almost a quarter of a century. The early methods suffered from a lack of data. Predictions were performed on single sequences rather than families of homologous sequences, and there were relatively few known 3D structures from which to derive parameters. Probably the most famous early methods are those of Chou & Fasman, Garnier, Osguthorbe & Robson (GOR) and Lim. Although the authors originally claimed quite high accuracies (70-80 %), under careful examination, the methods were shown to be only between 56 and 60% accurate (see Kabsch & Sander, 1984 given below). An early problem in secondary structure prediction had been the inclusion of structures used to derive parameters in the set of structures used to assess the accuracy of the method.
Some good references on the subject:
An integrated publicly accessible bioinformatics resource to support genomic/proteomic research and scientific discovery.
Established in 1984, by the National Biomedical Research Foundation (NBRF) Georgetown University Medial Center, Washington D.C., USA.
It is the source of annotated protein databases and analysis tools for the researchers.
Serve as primary resource for the exploration of protein information.
Accessible by text search for entry and list retrieval, and also BLAST search and peptide match.
INTRODUCTION
DEFINITION OF BIOINFORMATICS
HISTORY
OBJECTIVES OF BIOINFORMATICS
TOOLS OF BIOINFORMATICS
BIOLOGICAL DATABASES
HOMOLOGY AND SIMILARITY TOOLS (SEQUENCE ALIGNMENT)
PROTEIN FUNCTION ANALYSIS TOOLS
STRUCTURAL ANALYSIS TOOLS
SEQUENCE MANIPULATION TOOLS
SEQUENCE ANALYSIS TOOLS
APPLICATION
CONCLUSION
REFERENCES
INTRODUCTION
WHAT IS DATA AND DATABASE?
WHAT IS BIOLOGICAL DATABASE?
TYPES OF BIOLOGICAL DATABASE
PRIMARY DATABASE
Nucleic acid sequence database
Protein sequence database
SECONDARY DATABASE
COMPOSITE DATABASE
TERTIARY DATABASE
WHY NEED?
CONCLUSION
REFRENCES
This presentation gives you a detailed information about the swiss prot database that comes under UniProtKB. It also covers TrEMBL: a computer annotated supplement to Swiss-Prot.
this presentation is about bioinformatics. the contents of bioinformatics are as under:
1.Introduction to bioinformatics.
2.Why bioinformatics is necessary?
3.Goals of bioinformatics
4.Field of bioinformatics
5.Where bioinformatics help?
6.Applications of bioinformatics
7.Software and tools of bioinformatics
8.References
The Protein Information Resource, is an integrated public bioinformatics resource to support genomic and proteomic research, and scientific studies & contains protein sequences databases
Secondary Structure Prediction of proteins Vijay Hemmadi
Secondary structure prediction has been around for almost a quarter of a century. The early methods suffered from a lack of data. Predictions were performed on single sequences rather than families of homologous sequences, and there were relatively few known 3D structures from which to derive parameters. Probably the most famous early methods are those of Chou & Fasman, Garnier, Osguthorbe & Robson (GOR) and Lim. Although the authors originally claimed quite high accuracies (70-80 %), under careful examination, the methods were shown to be only between 56 and 60% accurate (see Kabsch & Sander, 1984 given below). An early problem in secondary structure prediction had been the inclusion of structures used to derive parameters in the set of structures used to assess the accuracy of the method.
Some good references on the subject:
An integrated publicly accessible bioinformatics resource to support genomic/proteomic research and scientific discovery.
Established in 1984, by the National Biomedical Research Foundation (NBRF) Georgetown University Medial Center, Washington D.C., USA.
It is the source of annotated protein databases and analysis tools for the researchers.
Serve as primary resource for the exploration of protein information.
Accessible by text search for entry and list retrieval, and also BLAST search and peptide match.
In the era of computers life sciences databases are still understated. Here is my presentation on biological databases. Complete classification of different databases.
For more presentations and work come and visit
https://www.linkedin.com/in/shradheya-r-r-gupta-54492984/
INTRODUCTION
HISTORY
WHAT ARE THE DATABASE…?
WHY DATABASE….?
THE “PERFECT” DATABASE
IDENTIFIERS and ACCESSION NUMBER
TECHNICAL DESIGN
MAINTAINANCE OF BIOLOGICAL DATABASES..
GENERAL FEATURES
SOURCES OF BIOLOGICAL DATA…
DIFFERENT TYPES OF BIOLOGICAL DATABASE
FUNCTION
DATA ENTRY AND QUALITY CONTROL
AVAILIBILITY
APPLICATION
DATA RECORD AT THE YEAR 2004
CONCLUSION
REFFERENCES
As an interdisciplinary field of science, bioinformatics combines biology, computer science, information engineering, mathematics and statistics to analyze and interpret the biological data.
BIOINFORMATICS AND DATABASES IN BIOINFORMATICS.pdfPravanjanDash
BIOLOGICAL DATABASES are
Collection of files containing records of biological data in machine readable form Can be accessed, added, retrieved, manipulated and modified.
COMPUNATIONAL BIOLOGY AND DATABASES IN BIOINFORMATICS.pptxPravanjanDash
BIOLOGICAL DATABASES are
Collection of files containing records of biological data in machine readable form Can be accessed, added, retrieved, manipulated and modified.
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2. Biological Database
It is a collection of data that is
structured, searchable, updated
periodically and cross-referenced.
Stores biological data in electronic
form.
Purpose-
Systemization of database
Availability of biological data
Analysis of computed biological data
3. HISTORY
Insulin, first protein that was sequenced;
composed of 55 amino acid.
The sequence was published in “Atlas Of
Protein Sequence” in 1965 by Margaret
Day Hoff.
Became base for PIR database.
First nucleotide sequenced was of Yeast
tRNA, composed of 77 bp.
First organism whose genome was
sequenced, a free living virus
Haemophilus influenzae in 1995 by Craig
Ventar
4. Features of Biological
Databases
1. Heterogeneity
2. High volume data
3. Uncertainity
4. Data curation
5. Data integration
6. Data sharing
7. Dynamics
5. 1. Data Heterogeneity
Availability of diverse and complex
data types.
Data Types :
Sequence- Nucleotide, Protein
Graph - Data indicating relationship
among themselves can be captured
as graph. It includes pathway data,
genetic maps and structural taxonomy.
6. High dimensional data –
Data generated from micro-array
experiments that involves thousands of
genes and hundreds of experimental
condition.
Shapes –
It consists of 3D molecular structural
data.
Example- Docking
Temporal data –
For studying dynamics of any biological
system.
Example- Development biology
7. Patterns –
There are patterns lying within the
genome that characterize biologically
entities.
Example-Regulatory sequence
(promoter)
Scalar and Vector fields –
Extracted features data –
Numerical data obtained from
combination of one of the above
mentioned data types
8. 2. High volume data
In addition to being highly
heterogeneous, biological data are
voluminous to support comprehensive
investigations in various fields and
directions.
3. Uncertainity
Biological data have great deal of
uncertainity as they represent biological
phenomenon that are observed and
assumed.
9. 4. Data curation
Biological data are collected from
various sources across different
structural and functional boundaries.
There are always chances of missing
links.
To fill these, the data is analyzed and
curated via automated methods.
10. 5. Data integration
After years of research, across
different structural and functional
scales, data is collected from
laboratories worldwide, and integrated
together through a database and
made available for use.
11. 6. Data sharing
Biological data is shared via
databases.
Purpose:
For scientific community’s inspection
For cross verification
To prevent repetition and validation of
data
12. 7. Dynamics
New data is generated every day in
laboratories.
And sometimes this new data
contradicts with the old data.
So, its necessary to develop new
organizational database schemes to
incorporate new data.
18. 3. Data access
Publicly available
Available with copyright
Browsing only, accessible but not
downloadable
Academic but not freely available
Restricted
19. 4. Data source
a) Primary database (archival)
Original data submission by researcher occurs.
Examples:
Nucleotide - GenBank, EMBL, DDBJ
Protein - UniProt
Structure - PDB
Literature - Medline (PubMed)
b) Secondary database (curated)
- Results of analysis of primary databases.
- Either manually curated or by automated
methods
Examples: Prosite , Pfam , RefSeq