1M1K

Co-crystal structure of azithromycin bound to the 50S ribosomal subunit of Haloarcula marismortui


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.20 Å
  • R-Value Free: 0.250 
  • R-Value Work: 0.214 
  • R-Value Observed: 0.214 

Starting Model: experimental
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This is version 1.3 of the entry. See complete history


Literature

The structures of four macrolide antibiotics bound to the large ribosomal subunit.

Hansen, J.L.Ippolito, J.A.Ban, N.Nissen, P.Moore, P.B.Steitz, T.A.

(2002) Mol Cell 10: 117-128

  • DOI: https://doi.org/10.1016/s1097-2765(02)00570-1
  • Primary Citation of Related Structures:  
    1K8A, 1K9M, 1KD1, 1M1K

  • PubMed Abstract: 

    Crystal structures of the Haloarcula marismortui large ribosomal subunit complexed with the 16-membered macrolide antibiotics carbomycin A, spiramycin, and tylosin and a 15-membered macrolide, azithromycin, show that they bind in the polypeptide exit tunnel adjacent to the peptidyl transferase center. Their location suggests that they inhibit protein synthesis by blocking the egress of nascent polypeptides. The saccharide branch attached to C5 of the lactone rings extends toward the peptidyl transferase center, and the isobutyrate extension of the carbomycin A disaccharide overlaps the A-site. Unexpectedly, a reversible covalent bond forms between the ethylaldehyde substituent at the C6 position of the 16-membered macrolides and the N6 of A2103 (A2062, E. coli). Mutations in 23S rRNA that result in clinical resistance render the binding site less complementary to macrolides.


  • Organizational Affiliation

    Department of Molecular Biophysics and Biochemistry, New Haven, Connecticut 06520, USA.


Macromolecules

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Entity ID: 3
MoleculeChains Sequence LengthOrganismDetailsImage
RIBOSOMAL PROTEIN L2239Haloarcula marismortuiMutation(s): 0 
UniProt
Find proteins for P20276 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 4
MoleculeChains Sequence LengthOrganismDetailsImage
RIBOSOMAL PROTEIN L3337Haloarcula marismortuiMutation(s): 0 
UniProt
Find proteins for P20279 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 5
MoleculeChains Sequence LengthOrganismDetailsImage
RIBOSOMAL PROTEIN L4246Haloarcula marismortuiMutation(s): 0 
UniProt
Find proteins for P12735 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 6
MoleculeChains Sequence LengthOrganismDetailsImage
RIBOSOMAL PROTEIN L5176Haloarcula marismortuiMutation(s): 0 
UniProt
Find proteins for P14124 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 7
MoleculeChains Sequence LengthOrganismDetailsImage
RIBOSOMAL PROTEIN L6177Haloarcula marismortuiMutation(s): 0 
UniProt
Find proteins for P14135 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 8
MoleculeChains Sequence LengthOrganismDetailsImage
RIBOSOMAL PROTEIN L7AE119Haloarcula marismortuiMutation(s): 0 
UniProt
Find proteins for P12743 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 9
MoleculeChains Sequence LengthOrganismDetailsImage
RIBOSOMAL PROTEIN L10348Haloarcula marismortuiMutation(s): 0 
UniProt
Find proteins for P15825 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 10
MoleculeChains Sequence LengthOrganismDetailsImage
RIBOSOMAL PROTEIN L10E167Haloarcula marismortuiMutation(s): 0 
UniProt
Find proteins for P60617 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 11
MoleculeChains Sequence LengthOrganismDetailsImage
RIBOSOMAL PROTEIN L13145Haloarcula marismortuiMutation(s): 0 
UniProt
Find proteins for P29198 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 12
MoleculeChains Sequence LengthOrganismDetailsImage
RIBOSOMAL PROTEIN L14132Haloarcula marismortuiMutation(s): 0 
UniProt
Find proteins for P22450 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 13
MoleculeChains Sequence LengthOrganismDetailsImage
RIBOSOMAL PROTEIN L15164Haloarcula marismortuiMutation(s): 0 
UniProt
Find proteins for P12737 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 14
MoleculeChains Sequence LengthOrganismDetailsImage
RIBOSOMAL PROTEIN L15E194Haloarcula marismortuiMutation(s): 0 
UniProt
Find proteins for P60618 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 15
MoleculeChains Sequence LengthOrganismDetailsImage
RIBOSOMAL PROTEIN L18186Haloarcula marismortuiMutation(s): 0 
UniProt
Find proteins for P14123 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 16
MoleculeChains Sequence LengthOrganismDetailsImage
RIBOSOMAL PROTEIN L18E115Haloarcula marismortuiMutation(s): 0 
UniProt
Find proteins for P12733 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 17
MoleculeChains Sequence LengthOrganismDetailsImage
RIBOSOMAL PROTEIN L19E148Haloarcula marismortuiMutation(s): 0 
UniProt
Find proteins for P14119 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 18
MoleculeChains Sequence LengthOrganismDetailsImage
RIBOSOMAL PROTEIN L21E95Haloarcula marismortuiMutation(s): 0 
UniProt
Find proteins for P12734 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 19
MoleculeChains Sequence LengthOrganismDetailsImage
RIBOSOMAL PROTEIN L22154Haloarcula marismortuiMutation(s): 0 
UniProt
Find proteins for P10970 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 20
MoleculeChains Sequence LengthOrganismDetailsImage
RIBOSOMAL PROTEIN L2384Haloarcula marismortuiMutation(s): 0 
UniProt
Find proteins for P12732 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 21
MoleculeChains Sequence LengthOrganismDetailsImage
RIBOSOMAL PROTEIN L24119Haloarcula marismortuiMutation(s): 0 
UniProt
Find proteins for P10972 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 22
MoleculeChains Sequence LengthOrganismDetailsImage
RIBOSOMAL PROTEIN L24E66Haloarcula marismortuiMutation(s): 0 
UniProt
Find proteins for P14116 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 23
MoleculeChains Sequence LengthOrganismDetailsImage
RIBOSOMAL PROTEIN L2970Haloarcula marismortuiMutation(s): 0 
UniProt
Find proteins for P10971 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 24
MoleculeChains Sequence LengthOrganismDetailsImage
RIBOSOMAL PROTEIN L30154Haloarcula marismortuiMutation(s): 0 
UniProt
Find proteins for P14121 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 25
MoleculeChains Sequence LengthOrganismDetailsImage
RIBOSOMAL PROTEIN L31E91Haloarcula marismortuiMutation(s): 0 
UniProt
Find proteins for P18138 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 26
MoleculeChains Sequence LengthOrganismDetailsImage
RIBOSOMAL PROTEIN L32E240Haloarcula marismortuiMutation(s): 0 
UniProt
Find proteins for P12736 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 27
MoleculeChains Sequence LengthOrganismDetailsImage
RIBOSOMAL PROTEIN L37AeAA [auth 1]73Haloarcula marismortuiMutation(s): 0 
UniProt
Find proteins for P60619 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 28
MoleculeChains Sequence LengthOrganismDetailsImage
RIBOSOMAL PROTEIN L37EBA [auth 2]56Haloarcula marismortuiMutation(s): 0 
UniProt
Find proteins for P32410 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 29
MoleculeChains Sequence LengthOrganismDetailsImage
RIBOSOMAL PROTEIN L39ECA [auth 3]48Haloarcula marismortuiMutation(s): 0 
UniProt
Find proteins for P22452 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 30
MoleculeChains Sequence LengthOrganismDetailsImage
RIBOSOMAL PROTEIN L44EDA [auth 4]92Haloarcula marismortuiMutation(s): 0 
UniProt
Find proteins for P32411 (Haloarcula marismortui (strain ATCC 43049 / DSM 3752 / JCM 8966 / VKM B-1809))
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Entity ID: 1
MoleculeChains LengthOrganismImage
23S RRNA2,922Haloarcula marismortui
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Entity ID: 2
MoleculeChains LengthOrganismImage
5S RRNA122Haloarcula marismortui
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Small Molecules
Ligands 6 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
ZIT
Query on ZIT

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EA [auth A]AZITHROMYCIN
C38 H72 N2 O12
MQTOSJVFKKJCRP-BICOPXKESA-N
CD
Query on CD

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BJ [auth 4],
KI [auth P],
VI [auth V],
YI [auth 1],
ZI [auth 2]
CADMIUM ION
Cd
WLZRMCYVCSSEQC-UHFFFAOYSA-N
K
Query on K

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KE [auth A],
LE [auth A]
POTASSIUM ION
K
NPYPAHLBTDXSSS-UHFFFAOYSA-N
CL
Query on CL

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AI [auth K]
BI [auth K]
CI [auth K]
CJ [auth 4]
DI [auth K]
AI [auth K],
BI [auth K],
CI [auth K],
CJ [auth 4],
DI [auth K],
FH [auth A],
FI [auth L],
GH [auth A],
HH [auth A],
IH [auth A],
II [auth N],
JH [auth A],
JI [auth O],
KH [auth A],
LH [auth A],
LI [auth P],
MH [auth A],
NH [auth A],
NI [auth R],
RI [auth S],
TH [auth C],
VH [auth D]
CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
MG
Query on MG

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AB [auth A]
AC [auth A]
AD [auth A]
AE [auth A]
AJ [auth 4]
AB [auth A],
AC [auth A],
AD [auth A],
AE [auth A],
AJ [auth 4],
BB [auth A],
BC [auth A],
BD [auth A],
BE [auth A],
CB [auth A],
CC [auth A],
CD [auth A],
CE [auth A],
DB [auth A],
DC [auth A],
DD [auth A],
DE [auth A],
EB [auth A],
EC [auth A],
ED [auth A],
EE [auth A],
EI [auth L],
FA [auth A],
FB [auth A],
FC [auth A],
FD [auth A],
FE [auth A],
GA [auth A],
GB [auth A],
GC [auth A],
GD [auth A],
GE [auth A],
HA [auth A],
HB [auth A],
HC [auth A],
HD [auth A],
HE [auth A],
IA [auth A],
IB [auth A],
IC [auth A],
ID [auth A],
IE [auth A],
JA [auth A],
JB [auth A],
JC [auth A],
JD [auth A],
JE [auth A],
KA [auth A],
KB [auth A],
KC [auth A],
KD [auth A],
LA [auth A],
LB [auth A],
LC [auth A],
LD [auth A],
MA [auth A],
MB [auth A],
MC [auth A],
MD [auth A],
NA [auth A],
NB [auth A],
NC [auth A],
ND [auth A],
OA [auth A],
OB [auth A],
OC [auth A],
OD [auth A],
OH [auth B],
PA [auth A],
PB [auth A],
PC [auth A],
PD [auth A],
QA [auth A],
QB [auth A],
QC [auth A],
QD [auth A],
RA [auth A],
RB [auth A],
RC [auth A],
RD [auth A],
RH [auth C],
SA [auth A],
SB [auth A],
SC [auth A],
SD [auth A],
TA [auth A],
TB [auth A],
TC [auth A],
TD [auth A],
TI [auth U],
UA [auth A],
UB [auth A],
UC [auth A],
UD [auth A],
UH [auth D],
VA [auth A],
VB [auth A],
VC [auth A],
VD [auth A],
WA [auth A],
WB [auth A],
WC [auth A],
WD [auth A],
WI [auth Z],
XA [auth A],
XB [auth A],
XC [auth A],
XD [auth A],
XI [auth 1],
YA [auth A],
YB [auth A],
YC [auth A],
YD [auth A],
ZA [auth A],
ZB [auth A],
ZC [auth A],
ZD [auth A]
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
NA
Query on NA

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AF [auth A]
AG [auth A]
AH [auth A]
BF [auth A]
BG [auth A]
AF [auth A],
AG [auth A],
AH [auth A],
BF [auth A],
BG [auth A],
BH [auth A],
CF [auth A],
CG [auth A],
CH [auth A],
DF [auth A],
DG [auth A],
DH [auth A],
EF [auth A],
EG [auth A],
EH [auth A],
FF [auth A],
FG [auth A],
GF [auth A],
GG [auth A],
GI [auth M],
HF [auth A],
HG [auth A],
HI [auth N],
IF [auth A],
IG [auth A],
JF [auth A],
JG [auth A],
KF [auth A],
KG [auth A],
LF [auth A],
LG [auth A],
ME [auth A],
MF [auth A],
MG [auth A],
MI [auth R],
NE [auth A],
NF [auth A],
NG [auth A],
OE [auth A],
OF [auth A],
OG [auth A],
OI [auth S],
PE [auth A],
PF [auth A],
PG [auth A],
PH [auth B],
PI [auth S],
QE [auth A],
QF [auth A],
QG [auth A],
QH [auth B],
QI [auth S],
RE [auth A],
RF [auth A],
RG [auth A],
SE [auth A],
SF [auth A],
SG [auth A],
SH [auth C],
SI [auth T],
TE [auth A],
TF [auth A],
TG [auth A],
UE [auth A],
UF [auth A],
UG [auth A],
UI [auth U],
VE [auth A],
VF [auth A],
VG [auth A],
WE [auth A],
WF [auth A],
WG [auth A],
WH [auth E],
XE [auth A],
XF [auth A],
XG [auth A],
XH [auth J],
YE [auth A],
YF [auth A],
YG [auth A],
YH [auth J],
ZE [auth A],
ZF [auth A],
ZG [auth A],
ZH [auth K]
SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.20 Å
  • R-Value Free: 0.250 
  • R-Value Work: 0.214 
  • R-Value Observed: 0.214 
  • Space Group: C 2 2 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 213.751α = 90
b = 301.566β = 90
c = 574.436γ = 90
Software Package:
Software NamePurpose
HKL-2000data collection
SCALEPACKdata scaling
CNSrefinement
HKL-2000data reduction
CNSphasing

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2002-07-19
    Type: Initial release
  • Version 1.1: 2008-04-28
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 1.3: 2024-02-14
    Changes: Data collection, Database references, Derived calculations, Refinement description