RPSBLAST alignment for GI: 254780502 and conserved domain: cd01679

>gnl|CDD|153088 cd01679, RNR_I, Class I ribonucleotide reductase. Ribonucleotide reductase (RNR) catalyzes the reductive synthesis of deoxyribonucleotides from their corresponding ribonucleotides. It provides the precursors necessary for DNA synthesis. RNRs are separated into three classes based on their metallocofactor usage. Class I RNRs, found in eukaryotes, bacteria, and many viruses, use a diiron-tyrosyl radical. Class II RNRs, found in bacteria, bacteriophage, algae and archaea, use coenzyme B12 (adenosylcobalamin, AdoCbl). Class III RNRs, found in anaerobic bacteria, bacteriophages, and archaea, use an FeS cluster and S-adenosylmethionine to generate a glycyl radical. Many organisms have more than one class of RNR present in their genomes. All three RNRs have a ten-stranded alpha-beta barrel domain that is structurally similar to the domain of PFL (pyruvate formate lyase). Class I RNR is oxygen-dependent and can be subdivided into classes Ia (eukaryotes, prokaryotes, viruses and phages) and Ib (which is found in prokaryotes only). It is a tetrameric enzyme of two alpha and two beta subunits; this model covers the major part of the alpha or large subunit, called R1 in class Ia and R1E in class Ib. Length = 460
 Score =  663 bits (1712), Expect = 0.0
 Identities = 250/595 (42%), Positives = 321/595 (53%), Gaps = 141/595 (23%)

Query: 317 PQAFFMRVAMGLALKETEKEKRAVEFYNLLSSFHFMCSTPTLFNSGTRHPQLSSCFLTTV 376
           PQ   MRVA+GLA  + E    A EFY+LLS   F  +TPTLFN+GT   QLSSCFL TV
Sbjct: 1   PQDRLMRVALGLASGDLEW---AKEFYDLLSKQRFTPATPTLFNAGTPRGQLSSCFLLTV 57

Query: 377 PDDLYGIFGALQENAMLAKYSGGLGNDWTPVRGLGAHIHGTNGKSQGVIPFLKVANDTAV 436
            D L  I+  ++E A L+K  GG+G + + +R  G+ I GTNG S GVIPFLK+ NDTA 
Sbjct: 58  DDSLESIYDTIKECAQLSKIGGGIGLNLSNIRATGSPIRGTNGASNGVIPFLKLLNDTAR 117

Query: 437 AVNQGGKRKGAVCAYLETWHIDVEEFLDLRKNTGDDRRRTHDMNTANWIPDLFMKRVTQN 496
            V+QGG+RKGA   YLE WH D+EEFLDL+KN GD+RRR  D+    WIPDLFM+RV   
Sbjct: 118 YVDQGGQRKGAGAVYLEIWHPDIEEFLDLKKNNGDERRRARDLFYGVWIPDLFMERV--- 174

Query: 497 AGWTLFSPDEVSDLHDLYGKEFEIAYENYERQADRGEIKVFRKISAVALWRKMLTMLFET 556
                                        ER                 LWRK+L   FET
Sbjct: 175 -----------------------------ERD----------------LWRKILESQFET 189

Query: 557 GHPWITFKDPCNIRSPQQHVGVVHSSNLCTEITLNSS-----SEETAVCNLGSINLLAHF 611
           G+P+I FKD CN ++PQ+H+G + SSNLCTEI   +S       E AVCNL SINL    
Sbjct: 190 GYPYILFKDTCNRKNPQKHLGTIKSSNLCTEILQPTSPSEDEPGEDAVCNLASINLGNF- 248

Query: 612 ANNQFDYDKLASTIRTAVRVLDNVIDINCHTIEKAKKSNHTHRAIGLGLMGFQSALHLLH 671
                 ++KL   ++ AVR LDNVID+N + + +AK+SN  HRAIGLG+MG    L LL 
Sbjct: 249 ----VTFEKLEEVVKLAVRALDNVIDLNYYPVPEAKRSNMRHRAIGLGVMGLHDYLALLR 304

Query: 672 IPYASPEAVEIADESMEFISFHAISASVELAQERGAYSSFKGSLWDQGVFPIDSIGLLAE 731
           IPY S EA+++ D   E I+++A+ AS ELA+ERG                         
Sbjct: 305 IPYESEEALDLNDRIFETINYYALKASCELAKERG------------------------- 339

Query: 732 VRDELAMNRTSRLPWDELKKRVKTIGMRNSNCMAIAPTATIANICGVSQSIDPSYQNLYV 791
                                    G+RNS  +AIAPTA+I+ I G + SI+P   N+YV
Sbjct: 340 -------------------------GLRNSLLLAIAPTASISQILGATPSIEPITSNIYV 374

Query: 792 KSNMSGDFTVVNSFLVNELKQRDLWDEAMISDLKYHDGSIGNIERIPDDLKKIHATAFEI 851
           +  +SG+F VVN  L  +L +  L+                              TA+EI
Sbjct: 375 RRVLSGEFPVVNPHLEKDLWEYGLY-----------------------------KTAYEI 405

Query: 852 DPMWLIESASRRQKWIDQAQSLNLYLDEP-SGKKLDFIYRQAWLMGLKTTYYLRS 905
           D  WLI+ A+ RQK IDQ QSLNL+L  P + + L+ +Y  AW  GLKT YYLR+
Sbjct: 406 DQRWLIDLAADRQKHIDQGQSLNLFLTPPATTRDLNSLYFYAWKKGLKTLYYLRT 460