RPSBLAST alignment for GI: 254780502 and conserved domain: cd02888

>gnl|CDD|153089 cd02888, RNR_II_dimer, Class II ribonucleotide reductase, dimeric form. 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 bacteriophage, 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, bacteriophage, 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 II RNRs are found in bacteria that can live under both aerobic and anaerobic conditions. Many, but not all members of this class are found to be homodimers. Adenosylcobalamin interacts directly with an active site cysteine to form the reactive cysteine radical. Length = 464
 Score =  320 bits (822), Expect = 1e-87
 Identities = 149/459 (32%), Positives = 226/459 (49%), Gaps = 60/459 (13%)

Query: 339 AVEFYNLLSSFHFMCSTPTLFNSGT-RHPQLSSCFLTTVPDD-LYGIFGALQENAMLAKY 396
           A EF+ LL S  F+ ++PTL N+GT    QLS+CF+  V DD + GIF AL+E A++ K 
Sbjct: 1   ADEFFYLLLSQGFIPNSPTLMNAGTGELGQLSACFVLPVEDDSIEGIFDALKEAALIFKR 60

Query: 397 SGGLGNDWTPVRGLGAHIHGTNGKSQGVIPFLKVANDTAVAVNQGGKRKGAVCAYLETWH 456
            GG+G +++ +R  G  +  T G + G + F++V +     + QGG R+GA    L+  H
Sbjct: 61  GGGVGYNFSRLRPKGDIVKSTGGVASGPVSFMRVFDAATGVIKQGGTRRGANMGVLDVDH 120

Query: 457 IDVEEFLDLRKNTGDDRRRTHDMNTANW---IPDLFMKRVTQNAGWTLFSPDEVSDLHDL 513
            D+EEF+D +        +T  +   N    + D FM+ V  +  W L +P E       
Sbjct: 121 PDIEEFIDAK----MKEEKTVVLQNFNISVAVTDAFMEAVENDEPWELRNPREPDTG--- 173

Query: 514 YGKEFEIAYENYERQADRGEIKVFRKISAVALWRKMLTMLFETGHPWITFKDPCNIRSPQ 573
                                KV+R + A  LW K++   +++  P + F D  N  +P 
Sbjct: 174 ---------------------KVYRTVPARELWDKIVEAAWDSADPGVLFIDTINRWNPL 212

Query: 574 QHVGVVHSSNLCTEITLNSSSEETAVCNLGSINLLAHFANNQ-----FDYDKLASTIRTA 628
             +G ++++N C E  L         CNLGSINL + F  N      FD+++L   +R A
Sbjct: 213 PGLGRINATNPCGEQPLLPYE----SCNLGSINL-SKFVKNPFGGASFDFERLREAVRLA 267

Query: 629 VRVLDNVIDINCHTIEKAKKSNHTHRAIGLGLMGFQSALHLLHIPYASPEAVEIADESME 688
           VR LDNVID+N + + +  +     R IGLG+MG    L  L IPY S EA E+A+  M 
Sbjct: 268 VRFLDNVIDVNRYPLPEIAEETKATRRIGLGVMGLADMLIKLGIPYDSEEARELAERIMS 327

Query: 689 FISFHAISASVELAQERGAYSSFKGSLWDQGVFPIDSIGLLAEVRDELAMNRTSRLPWDE 748
           FI   A  AS ELA+ERG +  F  S +                         ++   D+
Sbjct: 328 FIRDAAYRASAELAKERGPFPLFDASRYLMLKVI-----------------VNAKELPDD 370

Query: 749 LKKRVKTIGMRNSNCMAIAPTATIANICGVSQSIDPSYQ 787
           + + ++  G+RN++   IAPT TI+ I G S  I+P + 
Sbjct: 371 VLEEIEKYGIRNAHLTTIAPTGTISLIAGTSSGIEPIFS 409