Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

NIH3D

Cycles of destabilization and repair underlie evolutionary transitions in enzymes

Repaired for printing (1)
4xaz-ribbon-thick-print_struts-nocolor-repaired

4xaz-ribbon-thick-print_struts-nocolor-repaired

glb
stl
wrl
3mf
blend
png
Print with caution (7)
Color (6)
4xaz-ribbon-thick-print_struts-secondary-print_caution

4xaz-ribbon-thick-print_struts-secondary-print_caution

glb
wrl
x3d
ply
blend
png
4xaz-ribbon-thick-print_struts-rainbow-print_caution

4xaz-ribbon-thick-print_struts-rainbow-print_caution

glb
wrl
x3d
ply
blend
png
4xaz-ribbon-thick-print_struts-bychain-print_caution

4xaz-ribbon-thick-print_struts-bychain-print_caution

glb
wrl
x3d
ply
blend
png
4xaz-mol-surf-highres-bychain-print_caution

4xaz-mol-surf-highres-bychain-print_caution

glb
wrl
x3d
ply
blend
png
4xaz-mol-surf-highres-hydropathy-print_caution

4xaz-mol-surf-highres-hydropathy-print_caution

glb
wrl
x3d
ply
blend
png
4xaz-mol-surf-highres-coulombic-print_caution

4xaz-mol-surf-highres-coulombic-print_caution

glb
wrl
x3d
ply
blend
png
No Color (1)
4xaz-mol-surf-highres-nocolor-print_caution

4xaz-mol-surf-highres-nocolor-print_caution

glb
stl
wrl
3mf
blend
png
Not intended for 3D Printing (8)
Color (6)
4xaz-ribbon-thin-secondary

4xaz-ribbon-thin-secondary

glb
wrl
x3d
fbx
blend
png
4xaz-ribbon-thin-rainbow

4xaz-ribbon-thin-rainbow

glb
wrl
x3d
fbx
blend
png
4xaz-ribbon-thin-bychain

4xaz-ribbon-thin-bychain

glb
wrl
x3d
fbx
blend
png
4xaz-mol-surf-lowres-bychain

4xaz-mol-surf-lowres-bychain

glb
wrl
x3d
fbx
blend
png
4xaz-mol-surf-lowres-hydropathy

4xaz-mol-surf-lowres-hydropathy

glb
wrl
x3d
fbx
blend
png
4xaz-mol-surf-lowres-coulombic

4xaz-mol-surf-lowres-coulombic

glb
wrl
x3d
fbx
blend
png
No Color (2)
4xaz-ribbon-thin-nocolor

4xaz-ribbon-thin-nocolor

glb
stl
wrl
x3d
obj
blend
png
4xaz-mol-surf-lowres-nocolor

4xaz-mol-surf-lowres-nocolor

glb
stl
wrl
x3d
obj
blend
png