SCOP 1.63: Domain d1xo1b2: 1xo1 B:19-185

Lineage for d1xo1b2 (1xo1 B:19-185)

1. Root: SCOP 1.63

2. Class c: Alpha and beta proteins (a/b) [51349] (117 folds)

3. Fold c.53: Resolvase-like [53040] (2 superfamilies)
   Core: 3 layers: a/b/a; mixed beta-sheet of 5 strands, order 21345; strand 5 is antiparallel to the rest

4. Superfamily c.53.1: Resolvase-like [53041] (2 families)

5. Family c.53.1.2: 5' to 3' exonuclease [53045] (4 proteins)
   contains additional strand and alpha-helical arch; strand order 321456; strand 6 is antiparallel to the rest

6. Protein T5 5'-exonuclease [53050] (1 species)

7. Species Bacteriophage T5 [TaxId:10726] [53051] (2 PDB entries)

8. Domain d1xo1b2: 1xo1 B:19-185 [33357]
   Other proteins in same PDB: d1xo1a1, d1xo1b1
   mutant

Details for d1xo1b2

PDB Entry: 1xo1, 2.5 Å

PDB Description: t5 5'-exonuclease mutant k83a

SCOP Domain Sequences for d1xo1b2:

Sequence, based on SEQRES records:

>d1xo1b2 c.53.1.2 (B:19-185) T5 5'-exonuclease {Bacteriophage T5}
rrnlmivdgtnlgfrfkhnnskkpfassyvstiqslaksysarttivlgdkgksvfrleh
lpeyagnrdekyaqrteeekaldeqffeylkdafelckttfptftirgveaddmaayivk
lighlydhvwlistdgdwdtlltdkvsrfsfttrreyhlrdmyehhn

Sequence, based on observed residues (ATOM records):

>d1xo1b2 c.53.1.2 (B:19-185) T5 5'-exonuclease {Bacteriophage T5}
rrnlmivdgtnlgfrfpfassyvstiqslaksysarttivlgdkgksvfrlehlpeyaff
eylkdafelckttfptftirgveaddmaayivklighlydhvwlistdgdwdtlltdkvs
rfsfttrreyhlrdmyehhn

Timeline for d1xo1b2:

• d1xo1b2 first appeared (with stable ids) in SCOP 1.55
  
• d1xo1b2 appears in SCOP 1.61
  
• d1xo1b2 appears in SCOP 1.65
  
• d1xo1b2 appears in the current release, SCOPe 2.08