RPSBLAST alignment for GI: 254780537 and conserved domain: cd01020

>gnl|CDD|29739 cd01020, TroA_b, Metal binding protein TroA_b. These proteins are predicted to function as initial receptors in ABC transport of metal ions. They belong to the TroA superfamily of helical backbone metal receptor proteins that share a distinct fold and ligand binding mechanism. A typical TroA protein is comprised of two globular subdomains connected by a single helix and can bind the metal ion in the cleft between these domains. In addition, these proteins sometimes have a low complexity region containing a metal-binding histidine-rich motif (repetitive HDH sequence).. Length = 264
 Score = 87.3 bits (216), Expect = 4e-18
 Identities = 56/238 (23%), Positives = 98/238 (41%), Gaps = 22/238 (9%)

Query: 22  QKKVVLSSFSIIGDITQNIAKDLVTVTTLVEAGN-DSHSYQVTSADAIKIQNADLILCNG 80
            K  V++S +  G + + +  D V VT+++   + D H ++ T  DA K+  AD+++ NG
Sbjct: 1   GKINVVASTNFWGSVAEAVGGDHVEVTSIITNPDVDPHDFEPTPTDAAKVSTADIVVYNG 60

Query: 81  LHLEETYMKYFTNLKKGTKIITVTDGINPIGVSEDTSVDSEP-NPHAWMSLTNAMIYIEN 139
                 Y  + T L   TK + V      I    D   D E  NPH W            
Sbjct: 61  G----GYDPWMTKLLADTKDVIV------IAADLDGHDDKEGDNPHLWYDPETMSKVANA 110

Query: 140 IRKALTALDPSNAKKYELNAREYSEKIRNSILPLKTRIEKV--DPEKRWFVTSEGCLVYL 197
           +  AL   DP N K Y+ NA+++   ++    PL  +I ++    +      +E    YL
Sbjct: 111 LADALVKADPDNKKYYQANAKKFVASLK----PLAAKIAELSAKYKGAPVAATEPVFDYL 166

Query: 198 AEDFGFK----SLYLWPINSDSERSPSMMRHAINQMRSHKIKFIFSESTNSDQPAKQV 251
            +  G K      Y     S++E SP+ +    N +++ +I  +      +      +
Sbjct: 167 LDALGMKERTPKGYTATTESETEPSPADIAAFQNAIKNRQIDALIVNPQQASSATTNI 224