SRS 6.0.5.1 was released on February 2.
You can search the following using the current version of SRS.
- Key word search for every field
example) If you want to retrieve entries containing "acetylchol" and "receptor" but not "muscarinic" in "definition" line,
how to specify query: acetylchol* & receptor* ! muscarinic
- Numerical range appointment search
example) If you want to retrieve entries whose length are less than 20000 and more than 10000,
how to specify query: 10000 : 20000
- Range appointment search of a date
example) If you want to retrieve entries which were updated on January 1 2000 and later,
how to specify query: 1-jan-2000 :

Please read here (http://srs.ddbj.nig.ac.jp/doc/srsQueryLanguage.html) in detail.

*Attention
Feature informations are not covered when you select "AllText" field.If you want to search for all Feature informations, please use FeatureDescription.Therefore, If you want to search for all fields, please search AllText and Feature Description together.

Database
Sequence DDBJ, DDBJNEW, DAD, DADNEW, SWISSPROT, PIR
Sequence Related PROSITE, PROSITEDOC, BLOCKS, PRINTS, PFAMA, PFAMB, SWISSPFAM, PFAMHMM, PFAMSEED, PRODOM, ENZYME
Protein 3D Struct PDB, HSSP, FSSP
Metabolic Pathway PATHWAY, LENZYME, LCOMPOUND

You can also use CLUSTALW/BLASTP from the search results of SRS for some databases.