RPSBLAST alignment for GI: 255764481 and conserved domain: cd04645

>gnl|CDD|100051 cd04645, LbH_gamma_CA_like, Gamma carbonic anhydrase-like: This family is composed of gamma carbonic anhydrase (CA), Ferripyochelin Binding Protein (FBP), E. coli paaY protein, and similar proteins. CAs are zinc-containing enzymes that catalyze the reversible hydration of carbon dioxide in a two-step mechanism, involving the nucleophilic attack of a zinc-bound hydroxide ion on carbon dioxide, followed by the regeneration of the active site by ionization of the zinc-bound water molecule and removal of a proton from the active site. They are ubiquitous enzymes involved in fundamental processes like photosynthesis, respiration, pH homeostasis and ion transport. There are three evolutionary distinct groups - alpha, beta and gamma carbonic anhydrases - which show no significant sequence identity or structural similarity. Gamma CAs are trimeric enzymes with left-handed parallel beta helix (LbH) structural domain.. Length = 153
 Score = 41.2 bits (98), Expect = 3e-04
 Identities = 28/126 (22%), Positives = 54/126 (42%), Gaps = 13/126 (10%)

Query: 50  CVVAGKTKIGDFTKVFPMAVLGGDTQSKYHNFVGTELLVGKKCVIREGVTINRGTVEYGG 109
             V G   +G+ + V+  AVL GD            + +G++  I++G  ++   V+ G 
Sbjct: 12  ATVIGDVTLGEGSSVWFGAVLRGDVNP---------IRIGERTNIQDGSVLH---VDPGY 59

Query: 110 KTIVGDNNFFLANSHVAHDCKLGNGIVLSNNVMIAGHVIVDDRVVFGGGSAVHQFTRIGK 169
            TI+GDN      + + H C +G+  ++    +I    ++    +   GS V     I  
Sbjct: 60  PTIIGDNVTVGHGAVL-HGCTIGDNCLIGMGAIILDGAVIGKGSIVAAGSLVPPGKVIPP 118

Query: 170 YAFIGG 175
            + + G
Sbjct: 119 GSLVAG 124