1 酶 Directory of P450 containing Systems ENZYME database ExPASy ENZYME database Molecular Biology Databases Enzymes and Pathways Protein Kinase Resource 2 细胞凋亡 Apoptosis Home Apoptosis Forum Apoptosis on the Net APOPTOSIS Online The Apoptosis Information & Communication Center apoptosis web Apoptosis database NIH Special Interests Groups Apoptosis Interest Group 3 细胞因子 COPE Cytokines Onlin Cytokine Family Database Cytokines on the Web Cytokines Web ImMunoGeneTics database Institute of Clinical Immunology Cytokine data collection International Cytokine Society 4 信号传递 CBS search signal peptide sequen cell signal Database cell signal network receptor information Signaling PAthway Database SignalP server 5 转录因子 homeobox DataBase The Transcription Factor Database 6 其他 Biocatalysis Biodegradation Database DATABASE OF GENE KNOCKOUTS Dictionary of Cell Biology Dictionary of Cell Biology 1 Identify protein function identification e MOTIF search Mouse Knockout Mutation Database gene function Organogenesis Database transgenic database