d1ce8a6d1di2a_

Motif (click icon to enlarge)	SCOPid	Range	SCOP Class	SCOP Fold	SCOP Superfamily	SCOP Family	Protein
1ce8_Ah	d1ce8a6	A243-A255,A352-A402	Alpha and beta proteins (a+b)	ATP-grasp	Glutathione synthetase ATP-binding domain-like	BC ATP-binding domain-like	Carbamoyl phosphate synthetase (CPS), large subunit ATP-binding domains
1di2_Ac	d1di2a_	A112-A140,A141-A180	Alpha and beta proteins (a+b)	dsRBD-like	dsRNA-binding domain-like	Double-stranded RNA-binding domain (dsRBD)	Double-stranded RNA-binding protein A, second dsRBD

Justification for analogy
The motif in 1ce8 uses one strand from the ATP-grasp core and two strands and one helix from C-terminal extension. Comparing d1ce8a6 with d1gsa_2 (different family same superfamily), the C-terminal extension is not present in d1gsa_2. So this is a hybrid motif. And it is analogous to real dsRBD domains.

In the alignments below, two upper-case letters are aligned, while two lower-case letters are NOT aligned. The two sequences in an alignment are NOT continuous in most cases (see their ranges). The superpositions are re-constructed from the corresponding alignments by minimizing the overall RMSD. In a PDB-format superposition file, the first domain is represented by chain S and the second domain is represented by chain A.

MANUAL alignment     PDB format superposition    aligned motifs in PyMol   whole structures in PyMol

1ce8_Ah   --------------htgDSITVApaqt---iDYVVTKIPRFnfekfagandrlttqmksVGEVMAIGRTQQESLQKALRGL------
1di2_Ac   mpvgslqelavqkgwrlPEYTVAqesgpphkREFTITCRVE------------------TFVETGSGTSKQVAKRVAAEKLltkfkt

DALI alignment     PDB format superposition    aligned motifs in PyMol   whole structures in PyMol

1ce8_Ah   --------------htgDSITVAP---aqtIDYVVTKIPRFnfekfagandrlttqmksVGEVMAIGRTQQESLQKALRGL------
1di2_Ac   mpvgslqelavqkgwrlPEYTVAQesgpphKREFTITCRVE------------------TFVETGSGTSKQVAKRVAAEKLltkfkt

TM alignment     PDB format superposition    aligned motifs in PyMol   whole structures in PyMol

1ce8_Ah   -----------------HTGDSITVAPAQTID-----YVVTKIPRFNFEKFAGANDRLTTQMKSVGEVMAIGRTQQESLQKALRGL------
1di2_Ac   MPVGSLQELAVQKGWRL---PEYTVAQE--SGPPHKREFTITCRVE------------------TFVETGSGTSKQVAKRVAAEKLLTKFKT

FAST alignment     PDB format superposition    aligned motifs in PyMol   whole structures in PyMol

1ce8_Ah   HTGD------------------SITVAPAQTID--------YVVTKIPRFNFEKFAGANDRLTTQMKS-VGEVMAIGRTQQESLQKALRGL-------
1di2_Ac   ----MPVGSLQELAVQKGWRLPEYTVAQ-----ESGPPHKREFTITCRV-------------------ETFVETGSGTSKQVAKRVAAEK-LLTKFKT