extracting substrings from a file

sofiafig at gmail.com sofiafig at gmail.com
Mon Sep 11 14:29:17 CEST 2006


I have a file with several entries in the form:

AFFX-BioB-5_at	 E. coli  /GEN=bioB  /gb:J04423.1  NOTE=SIF
corresponding to nucleotides 2032-2305 of /gb:J04423.1  DEF=E.coli
7,8-diamino-pelargonic acid (bioA), biotin synthetase (bioB),
7-keto-8-amino-pelargonic acid synthetase (bioF), bioC protein, and
dethiobiotin synthetase (bioD), complete cds.

1415785_a_at	 /gb:NM_009840.1 /DB_XREF=gi:6753327 /GEN=Cct8 /FEA=FLmRNA
/CNT=482 /TID=Mm.17989.1 /TIER=FL+Stack /STK=281 /UG=Mm.17989 /LL=12469
/DEF=Mus musculus chaperonin subunit 8 (theta) (Cct8), mRNA.
/PROD=chaperonin subunit 8 (theta) /FL=/gb:NM_009840.1 /gb:BC009007.1

and I would like to create a file that has only the following:

AFFX-BioB-5_at  /GEN=bioB  /gb:J04423.1

1415785_a_at	 /gb:NM_009840.1 /GEN=Cct8

Could anyone please tell me how can I do it?

Many thanks in advance

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