IL_6XH2_001

3D structure

PDB id

6XH2 (explore in PDB, NAKB, or RNA 3D Hub)

Description

Co-crystal structure of HIV-1 TAR RNA in complex with lab-evolved RRM 6.6

Experimental method

X-RAY DIFFRACTION

Resolution

1.71 Å

Loop

Sequence

AUCUG*CU

Length

7 nucleotides

Bulged bases

None detected

QA status

Valid loop

Sequence variability

If this chain is mapped to an Rfam alignment, the link below will give its sequence variability.

R3DSVS

Structural variability across Equivalence Class

The link below will give the loop's structural variability across the equivalence class for this chain.

R3DMCS EC

Structural variability across Rfam

If this chain is mapped to an Rfam alignment, the link below will give the loop's structural variability between chains mapped to the same Rfam family.

R3DMCS Rfam

Detailed Annotation

Major groove intercalation

Broad Annotation

Major groove intercalation

Motif group

IL_66635.5

Basepair signature

cWW-L-cWW

Number of instances in this motif group

27

Unit IDs

6XH2|1|D|A|22
6XH2|1|D|U|23
6XH2|1|D|C|24
6XH2|1|D|U|25
6XH2|1|D|G|26
*
6XH2|1|D|C|39
6XH2|1|D|U|40

Current chains

Chain D

TRANS-ACTIVATION RESPONSE ELEMENT

Nearby chains

Chain A

TAR-BINDING PROTEIN 6.6