8KA0: Rdtnd-rid cbd

Crystal structure of Vibrio vulnificus RID-dependent transforming NADase domain (RDTND)/calmodulin-binding domain of Rho inactivation domain (RID-CBD) complexed with Ca2+-bound calmodulin and a nicotinamide adenine dinucleotide (NAD+). Determined by X-ray diffraction at 2.35 Å resolution. Released 10 Jul 2024.

Method
X-ray diffraction
Resolution
2.35 Å
Organisms
Vibrio vulnificus, Homo sapiens
Chains
8
Atoms
18,350
Mol. weight
259.63 kDa
Ligands
NAD, CA
Released
10 Jul 2024

Explore 8KA0 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

8KA0 contains 120 α-helices and 89 β-strands across 8 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 22 helices, 18 β-strands

ElementResiduesLengthSheet
α-helix1969-198416
α-helix19971
β-strand199811
β-strand200111
α-helix2010-202516
α-helix2036-204813
α-helix2052-206312
α-helix2074-20763
β-strand2077-207932
β-strand2081-208333
α-helix2087-20904
α-helix2091-20977
β-strand2103-210532
α-helix2107-21093
α-helix2111-212919
α-helix2136-216126
β-strand2166-217273
β-strand2176-217834
α-helix21811
α-helix2182-21865
α-helix2187-21959
β-strand2199-220573
α-helix2209-22124
α-helix2217-22193
β-strand222213
β-strand2231-223444
α-helix2235-22373
α-helix2240-224910
β-strand2259-226244
α-helix2268-22769
α-helix2281-22866
β-strand2288-229365
β-strand2296-230165
β-strand2310-231455
α-helix2320-233314
α-helix2337-23393
β-strand2343-234755
β-strand2350-235565
β-strand2357-236485
β-strand2368-237035
Chain B: 9 helices, 5 β-strands
ElementResiduesLengthSheet
α-helix7-2014
β-strand27-2936
α-helix30-323
α-helix33-397
α-helix46-5611
β-strand63-6536
α-helix66-7914
α-helix82-9110
β-strand100-10237
α-helix103-11311
α-helix119-1279
β-strand13117
β-strand136-13837
α-helix139-1479
Chain C: 23 helices, 18 β-strands
ElementResiduesLengthSheet
α-helix1969-198416
α-helix19971
β-strand199818
β-strand200118
α-helix2010-202516
α-helix2036-204813
α-helix2052-206413
α-helix2074-20763
β-strand2077-207939
β-strand2081-2083310
α-helix2087-20904
α-helix2091-20966
β-strand2103-210539
α-helix2107-21093
α-helix2111-212919
α-helix2136-216126
β-strand2166-2172710
β-strand2176-2178311
α-helix21811
α-helix2182-21865
α-helix2187-21959
β-strand2199-2205710
α-helix2209-22124
α-helix2217-22193
β-strand2222110
β-strand2231-2234411
α-helix2235-22373
α-helix2240-22456
α-helix2246-22483
β-strand2259-2262411
α-helix2267-22748
α-helix2280-22867
β-strand2288-2291412
β-strand2297-2301512
β-strand2310-2314512
α-helix2320-233314
α-helix2337-23393
β-strand2343-2347512
β-strand2350-2354512
β-strand2358-2364712
β-strand2368-2370312
Chain D: 9 helices, 4 β-strands
ElementResiduesLengthSheet
α-helix7-2014
β-strand27-28213
α-helix30-323
α-helix33-397
α-helix46-538
β-strand64-65213
α-helix66-7914
α-helix82-9110
β-strand100-102314
α-helix103-11311
α-helix119-1279
β-strand136-138314
α-helix139-1479
Chain E: 19 helices, 19 β-strands
ElementResiduesLengthSheet
α-helix1969-198416
α-helix19971
β-strand1998115
β-strand2001115
α-helix2010-202516
α-helix2034-20363
α-helix2038-204912
α-helix2052-206413
β-strand2077-2079316
β-strand2081117
α-helix2091-20977
β-strand2103-2105316
α-helix2107-21093
α-helix2111-213020
α-helix2137-216125
β-strand2166-2171617
β-strand2176118
α-helix21811
α-helix2182-21865
α-helix2187-21959
β-strand2199-2205717
α-helix2217-22193
β-strand2222117
α-helix2229-22302
β-strand2231118
β-strand2232-2234319
β-strand2259-2261319
α-helix22621
α-helix2267-227610
α-helix2280-22867
β-strand2288-2292520
β-strand2297-2301520
β-strand2310-2314520
α-helix2320-233314
β-strand2343-2347520
β-strand2350-2355620
β-strand2357-2364820
β-strand2368-2370320
Chain F: 9 helices, 4 β-strands
ElementResiduesLengthSheet
α-helix7-1812
β-strand27-29321
α-helix30-323
α-helix33-397
α-helix46-5611
β-strand63-65321
α-helix66-7914
α-helix82-9110
β-strand100-102322
α-helix103-11311
α-helix119-1279
β-strand136-138322
α-helix139-14810
Chain G: 20 helices, 16 β-strands
ElementResiduesLengthSheet
α-helix1969-198517
α-helix1997-19982
α-helix2012-202514
α-helix2036-204813
α-helix2052-206312
β-strand2077-2079323
β-strand2081124
α-helix2090-20967
β-strand2103-2105323
α-helix2107-21093
α-helix2111-213020
α-helix2137-216125
β-strand2166-2171624
β-strand2176125
α-helix21811
α-helix2182-21865
α-helix2187-21948
β-strand2199-2205724
α-helix2209-22124
α-helix2217-22193
β-strand2222124
α-helix2229-22302
β-strand2231-2234425
α-helix2235-22373
α-helix2240-22489
β-strand2259-2262425
α-helix2268-22769
α-helix2280-22867
β-strand2288-2292526
β-strand2297-2301526
β-strand2310-2314526
α-helix2320-233314
β-strand2343-2347526
β-strand2350-2354526
β-strand2358-2364726
β-strand2368-2370326
Chain H: 9 helices, 5 β-strands
ElementResiduesLengthSheet
α-helix7-2014
β-strand27-29327
α-helix30-323
α-helix33-397
α-helix46-5611
β-strand63-65327
α-helix66-7914
α-helix82-9110
β-strand100-102328
α-helix103-11311
α-helix119-12810
β-strand132128
β-strand136-138328
α-helix139-1479

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Rdtnd-rid cbdA, C, E, Gprotein416Vibrio vulnificusA0A2S3R7M0
Calmodulin-2B, D, F, Hprotein151Homo sapiensP0DP24 (AlphaFold model)
Sequence of entity 1 (A, C, E, G), FASTA
>8KA0_1 RDTND-RID CBD (chains A, C, E, G)
GEASHDSAESLVAARAEKVANLYRWLDTDNDVATDKYVPVPGFERVDVDVSDEVKQRMIQ
SMSGYIEHTDNQVPKDQAEALATLFVESTLDYDWDKRVEFLTKLESYGYSFEAPHAEKSI
VSFWSGKNFKQYRDILDNAQTDGKKVVYDIDVKGNAFAIDLNKHLMRWGGLFLDPDNAEQ
NQLKSSIDAATFSNTGFWSSVYATGAQNDVYVIAEGGVRLGNYFWNVQLPALRQLQREGL
VGEIRLLDKPVSEYKDLPADQIGRRLTDAGVAVKVRFDALSHERQAELLADNPDGYKADT
LVELDVKLSAIDSMLRESLPFYSLRTERNLLVQEGEEGFEVRSWPGIDGKSKTILLDNPE
DAAQQKSIERFILANFDNFEQMPDELFLVDNKVLSHHDGRTRIIAQKEDGAWTYNT
Sequence of entity 2 (B, D, F, H), FASTA
>8KA0_2 Calmodulin-2 (chains B, D, F, H)
GAMADQLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDA
DGNGTIDFPEFLTMMARKMKDTDSEEEIREAFRVFDKDGNGYISAAELRHVMTNLGEKLT
DEEVDQMIREADIDGDGQVNYEEFVQMMTAK

Ligands and cofactors

IDNameFormulaCopies
NADNicotinamide-adenine-dinucleotideC21 H27 N7 O14 P24
CACalcium ionCa8

Water and common crystallization additives (GOL) are not listed.

Primary citation

Dissemination of pathogenic bacteria is reinforced by a MARTX toxin effector duet. Choi, S., Lee, Y., Park, S. et al. Nat Commun (2024) 15:6218-6218. DOI 10.1038/s41467-024-50650-0 · PubMed

Other PDB entries of the same protein (UniProt A0A2S3R7M0), best resolution first:

Browse structure collections

About this viewer

MolViewer shows 8KA0 directly in your browser with nothing to install. Switch between cartoon, ball-and-stick, spacefill and surface views, color by chain, secondary structure or B-factor, measure distances, angles and dihedrals, and share or embed the view.