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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

Human cationic trypsin complexed with bovine pancreatic trypsin inhibitor (BPTI)

Print with caution (4)
Color (3)
2ra3-mol-surf-highres-bychain-print_caution

2ra3-mol-surf-highres-bychain-print_caution

glb
wrl
x3d
ply
blend
png
2ra3-mol-surf-highres-hydropathy-print_caution

2ra3-mol-surf-highres-hydropathy-print_caution

glb
wrl
x3d
ply
blend
png
2ra3-mol-surf-highres-coulombic-print_caution

2ra3-mol-surf-highres-coulombic-print_caution

glb
wrl
x3d
ply
blend
png
No Color (1)
2ra3-mol-surf-highres-nocolor-print_caution

2ra3-mol-surf-highres-nocolor-print_caution

glb
stl
wrl
3mf
blend
png
Not intended for 3D Printing (8)
Color (6)
2ra3-ribbon-thin-secondary

2ra3-ribbon-thin-secondary

glb
wrl
x3d
fbx
blend
png
2ra3-ribbon-thin-rainbow

2ra3-ribbon-thin-rainbow

glb
wrl
x3d
fbx
blend
png
2ra3-ribbon-thin-bychain

2ra3-ribbon-thin-bychain

glb
wrl
x3d
fbx
blend
png
2ra3-mol-surf-lowres-bychain

2ra3-mol-surf-lowres-bychain

glb
wrl
x3d
fbx
blend
png
2ra3-mol-surf-lowres-hydropathy

2ra3-mol-surf-lowres-hydropathy

glb
wrl
x3d
fbx
blend
png
2ra3-mol-surf-lowres-coulombic

2ra3-mol-surf-lowres-coulombic

glb
wrl
x3d
fbx
blend
png
No Color (2)
2ra3-ribbon-thin-nocolor

2ra3-ribbon-thin-nocolor

glb
stl
wrl
x3d
obj
blend
png
2ra3-mol-surf-lowres-nocolor

2ra3-mol-surf-lowres-nocolor

glb
stl
wrl
x3d
obj
blend
png