CLUSTER 4504 NUM_SEQ 2 LENGTH 611 RELATIVE_ENTROPY_PER_POSITION 0.51 TOTAL_RELATIVE_ENTROPY 311.61 FAMILIES {} GENERA {} FASTA SEQUENCE TITLES: gi|448260209|ref|YP_007348306.1|vFam_4504| integral membrane protein [Sulfolobus virus STSV2] gi|51980190|ref|YP_077257.1|vFam_4504| integral membrane protein [Sulfolobus virus STSV1]