M. genitalium -- TIGR                      PubMed Abstract
M. pneumoniae -- Heidelberg       PubMed Abstract        Nucleic Acids Research
Ureaplasma urealyticum -- UAB     PubMed Abstract
Mycoplasma pulmonis -- Genoscope, Pasteur Inst.    PubMed Abstract    Nucleic Acids Research

NCBI mycoplasma pages:
M. genitalium                 M. genitalium - Gene Lists
M. pneumoniae
Ureaplasma urealyticum
M. pulmonis

New analyses at Heidelberg by Bork:
M. genitalium
M. pneumoniae

 KEGG  -- Kyoto encyclopedia of genes and genomes -- gene lists
M. genitalium
M. pneumoniae
U. urealyticum
M. pulmonis

Transport protein analysis - Ian T. Paulsen, UCSD  Go to this site, then select genome of interest (M. gen. or M. pn.).

Metabolic Pathway Maps and Ortholog Tables at KEGG      info for M. gen., M. pn., and U. ur.

Examples of  the above:

Glycolysis         M. genitalium     M. pneumoniae    U. urealyticum     Ortholog Table

Carbon fixation   M. genitalium      M.  pneumoniae    U. urealyticum    No Ortholog Table

M. genitalium and M. pneumoniae - Heidelberg group

TIGR Comprehensive Microbial Resource
TIGR List of Completed Genomes
TIGR List of Genomes in Progress
NCBI Microbial Genomes page
COG analysis of Koonin and associates at NCBI
KEGG -- Kyoto encyclopedia of genes and genomes

PubMed -- for searches of the primary scientific literature
Entrez search and retrieval system - NCBI
Metabolic Pathway analysis -- EcoCyc by Peter Karp, Monica Riley, et al.
Unsequenced E. coli enzymes -- some of the unknown genes of mycoplasma may be orthologs of these genes.
STD database -- Sexually transmitted disease genome database,  Los Alamos National Laboratory.
STRING -- Search Tool for Recurring Instances of Neighbouring Genes
WIT -- What is there? Interactive metabolic reconstruction on the web, Argonne National Laboratory.