RPSBLAST alignment for GI: 254781004 and conserved domain: cd00778

>gnl|CDD|29823 cd00778, ProRS_core_arch_euk, Prolyl-tRNA synthetase (ProRS) class II core catalytic domain. ProRS is a homodimer. It is responsible for the attachment of proline to the 3' OH group of ribose of the appropriate tRNA. This domain is primarily responsible for ATP-dependent formation of the enzyme bound aminoacyl-adenylate. Class II assignment is based upon its structure and the presence of three characteristic sequence motifs in the core domain. This subfamily contains the core domain of ProRS from archaea, the cytoplasm of eukaryotes and some bacteria.. Length = 261
 Score = 55.2 bits (133), Expect = 6e-08
 Identities = 56/281 (19%), Positives = 112/281 (39%), Gaps = 47/281 (16%)

Query: 263 SGVIFWHRKGWKIFQTLISYMRRKIKD-DYEEINTPQVLDQHLWQ-QSGHWDSYRANMFA 320
            G + +   G+ I++ +   + ++IK+  +E +  P ++ +   + +  H + +   +  
Sbjct: 22  KGCMVFRPYGYAIWENIQKILDKEIKETGHENVYFPLLIPESELEKEKEHIEGFAPEVAW 81

Query: 321 VKCADDTIKDLRTFALKPMNCPGHVAVFNHGLKSYRELPVRLAEFGSVYRNEPSGSLHGL 380
           V        +    AL+P +      +F+  ++SYR+LP+++ ++ +V+R E   +    
Sbjct: 82  VTHGGLEELEEP-LALRPTSETAIYPMFSKWIRSYRDLPLKINQWVNVFRWETKTT-RPF 139

Query: 381 MRVRGFTQDDAH-VFCTKEQMFNECLKIHNLIISIYKDFGFEKIMVKLSTRPEKRVGSDA 439
           +R R F   + H    T+E+   E L+I +L    Y+D     I V    + E       
Sbjct: 140 LRTREFLWQEGHTAHATEEEAEEEVLQILDLYKEFYED--LLAIPVVKGRKTEW------ 191

Query: 440 LWDDAENIMKGVLDTIKNSSQDRINTGVLLGEGAFYGPKFEYILKDAIGRDWQCGTI-QV 498
                                ++         GA Y    E ++ D  GR  Q GT   +
Sbjct: 192 ---------------------EKF-------AGADYTYTIEAMMPD--GRALQSGTSHNL 221

Query: 499 DFNLPSRFNAFYVNSHSEKCHPVMIHRAVFGSIERFIGIMI 539
             N    F+  Y +   +K +    H+  +G   R IG +I
Sbjct: 222 GQNFSKAFDIKYQDKDGQKEYV---HQTSWGISTRLIGAII 259