RCSB PDB: Search

Warning You are using a web browser that we do not support. Our website will not work properly. Please update to a newer version or download a new web browser, such as Chrome or Firefox.

Help

Help

RCSB PDB

Deposit
- PDBx/mmCIF file
- pdb_extract
- SF-Tool
- Ligand Expo
- MAXIT
- Validation Server
- Validation API
- Information for Journals
- Validation Task Forces
- wwPDB OneDep System
- PDB-IHM
Search
Visualize
Analyze
Download
Learn
- Training Courses
- Guide to PDB Data
- Molecule of the Month
- Educational Resources
- Curricula
- Browse
- News
- SciArt Galleries
- Irving Geis
- David Goodsell
About
Careers
COVID-19

233,605 Structures from the PDB

1,068,577 Computed Structure Models (CSM)

	Include CSM
Advanced Search \| Browse Annotations		Help

Search
Query History
Browse Annotations
MyPDB

QUERY: Enzyme Classification Number = 3.4.22

MyPDB Login

Search API

Advanced Search Query Builder

Help

Full Text

Structure Attributes

Help

NOT

Count

Add Subquery

Chemical Attributes

Sequence Similarity

Sequence Motif

Structure Similarity

Structure Motif

Chemical Similarity

Return

grouped by

Include Computed Structure Models (CSM)

Count

Clear

Search Summary

This query matches 4,394 Structures.

Refinements

Structure Determination Methodology

experimental (4,394)

Scientific Name of Source Organism

	Severe acute respiratory syndrome coronavirus 2 (2,182)
	Homo sapiens (826)
	Coxsackievirus A16 (301)
	synthetic construct (170)
	enterovirus D68 (133)
	Severe acute respiratory syndrome-related coronavirus (125)
	Mus musculus (60)
	Carica papaya (52)
	Clostridioides difficile (49)
	Trypanosoma cruzi (36)

More...

Taxonomy

	Riboviria (3,134)
	Eukaryota (1,164)
	Bacteria (199)
	other sequences (170)
	Duplodnaviria (28)
	Varidnaviria (19)
	unclassified sequences (13)
	Archaea (7)
	Riboviria (RNA viruses and viroids) (6)
	Eukaryota (eukaryotes) (3)

More...

Experimental Method

	X-RAY DIFFRACTION (4,158)
	ELECTRON MICROSCOPY (195)
	SOLUTION NMR (28)
	ELECTRON CRYSTALLOGRAPHY (13)
	NEUTRON DIFFRACTION (7)

Polymer Entity Type

	Protein (4,394)
	RNA (27)
	DNA (2)

Refinement Resolution (Å)

	0.5 - 1.0 (30)
	1.0 - 1.5 (1,009)
	1.5 - 2.0 (1,753)
	2.0 - 2.5 (916)
	2.5 - 3.0 (420)
	3.0 - 3.5 (140)
	3.5 - 4.0 (58)
	4.0 - 4.5 (25)
	> 4.5 (20)

Release Date

	1975 - 1979 (5)
	1980 - 1984 (1)
	1985 - 1989 (2)
	1990 - 1994 (8)
	1995 - 1999 (53)
	2000 - 2004 (116)
	2005 - 2009 (301)
	2010 - 2014 (375)
	2015 - 2019 (397)
	2020 - 2024 (2,827)

More...

Enzyme Classification Name

	Hydrolases (4,394)
	Transferases (317)
	Lyases (19)
	Ligases (5)
	Translocases (3)
	Oxidoreductases (1)

Membrane Protein Annotation

	OPM (7)
	mpstruc (9)
	PDBTM (8)
	MemProtMD (3)

Symmetry Type

	Asymmetric (2,176)
	Cyclic (2,149)
	Icosahedral (91)
	Dihedral (58)
	Helical (8)

SCOP Classification

	All beta proteins (624)
	Alpha and beta proteins (a+b) (453)
	Alpha and beta proteins (a/b) (389)
	Artifacts (397)
	Multi-domain proteins (alpha and beta) (27)
	All alpha proteins (17)
	Small proteins (11)
	Peptides (1)

AllSelected

1 to 25 of 4,394 Structures

Page 1 of 176

Sort by

Explore in 3D

1A6R \| pdb_00001a6r	Download File View File

GAL6 (YEAST BLEOMYCIN HYDROLASE) MUTANT C73A

Joshua-Tor, L., Zheng, W., Johnston, S.A.

(1998) Cell 93: 103-109

Released	1998-10-21
Method	X-RAY DIFFRACTION 2.05 Å
Organisms	Saccharomyces cerevisiae
Macromolecule	GAL6 (protein)
Unique Ligands	SO4

Explore in 3D

1AEC \| pdb_00001aec	Download File View File

CRYSTAL STRUCTURE OF ACTINIDIN-E-64 COMPLEX+

Varughese, K.I.

(1992) Biochemistry 31: 5172-5176

Released	1993-10-31
Method	X-RAY DIFFRACTION 1.86 Å
Organisms	Actinidia chinensis
Macromolecule	ACTINIDIN (protein)
Unique Ligands	E64

Explore in 3D

1AIM \| pdb_00001aim	Download File View File

CRUZAIN INHIBITED BY BENZOYL-TYROSINE-ALANINE-FLUOROMETHYLKETONE

Fletterick, R., Gillmor, S.

(1997) Protein Sci 6: 1603-1611

Released	1997-10-22
Method	X-RAY DIFFRACTION 2 Å
Organisms	Trypanosoma cruzi
Macromolecule	CRUZAIN (protein)
Unique Ligands	ZYA

Explore in 3D

1ATK \| pdb_00001atk	Download File View File

CRYSTAL STRUCTURE OF THE CYSTEINE PROTEASE HUMAN CATHEPSIN K IN COMPLEX WITH THE COVALENT INHIBITOR E-64

Zhao, B., Smith, W.W., Janson, C.A., Abdel-Meguid, S.S.

(1997) Nat Struct Biol 4: 109-111

Released	1998-02-04
Method	X-RAY DIFFRACTION 2.2 Å
Organisms	Homo sapiens
Macromolecule	CATHEPSIN K (protein)
Unique Ligands	E64

Explore in 3D

1AU0 \| pdb_00001au0	Download File View File

CRYSTAL STRUCTURE OF THE CYSTEINE PROTEASE HUMAN CATHEPSIN K IN COMPLEX WITH A COVALENT SYMMETRIC DIACYLAMINOMETHYL KETONE INHIBITOR

Zhao, B., Smith, W.W., Janson, C.A., Abdel-Meguid, S.S.

(1997) J Am Chem Soc 119: 11351-11352

Released	1998-10-14
Method	X-RAY DIFFRACTION 2.6 Å
Organisms	Homo sapiens
Macromolecule	CATHEPSIN K (protein)
Unique Ligands	SDK

Explore in 3D

1AU2 \| pdb_00001au2	Download File View File

CRYSTAL STRUCTURE OF THE CYSTEINE PROTEASE HUMAN CATHEPSIN K IN COMPLEX WITH A COVALENT PROPANONE INHIBITOR

Zhao, B., Smith, W.W., Janson, C.A., Abdel-Meguid, S.S.

(1997) J Am Chem Soc 119: 11351-11352

Released	1998-10-14
Method	X-RAY DIFFRACTION 2.6 Å
Organisms	Homo sapiens
Macromolecule	CATHEPSIN K (protein)
Unique Ligands	POS

Explore in 3D

1AU3 \| pdb_00001au3	Download File View File

CRYSTAL STRUCTURE OF THE CYSTEINE PROTEASE HUMAN CATHEPSIN K IN COMPLEX WITH A COVALENT PYRROLIDINONE INHIBITOR

Zhao, B., Smith, W.W., Janson, C.A., Abdel-Meguid, S.S.

(1998) J Med Chem 41: 3563-3567

Released	1998-10-14
Method	X-RAY DIFFRACTION 2.5 Å
Organisms	Homo sapiens
Macromolecule	CATHEPSIN K (protein)
Unique Ligands	PCM

Explore in 3D

1AU4 \| pdb_00001au4	Download File View File

CRYSTAL STRUCTURE OF THE CYSTEINE PROTEASE HUMAN CATHEPSIN K IN COMPLEX WITH A COVALENT PYRROLIDINONE INHIBITOR

Zhao, B., Smith, W.W., Janson, C.A., Abdel-Meguid, S.S.

(1998) J Med Chem 41: 3563-3567

Released	1998-10-14
Method	X-RAY DIFFRACTION 2.3 Å
Organisms	Homo sapiens
Macromolecule	CATHEPSIN K (protein)
Unique Ligands	INP

Explore in 3D

1AV5 \| pdb_00001av5	Download File View File

PKCI-SUBSTRATE ANALOG

Lima, C.D., Klein, M.G., Hendrickson, W.A.

(1997) Science 278: 286-290

Released	1998-03-25
Method	X-RAY DIFFRACTION 2 Å
Organisms	Homo sapiens
Macromolecule	PROTEIN KINASE C INTERACTING PROTEIN (protein)
Unique Ligands	AP2

Explore in 3D

1AVP \| pdb_00001avp	Download File View File

STRUCTURE OF HUMAN ADENOVIRUS 2 PROTEINASE WITH ITS 11 AMINO ACID COFACTOR

Ding, J., Mcgrath, W.J., Sweet, R.M., Mangel, W.F.

(1996) EMBO J 15: 1778-1783

Released	1997-11-19
Method	X-RAY DIFFRACTION 2.6 Å
Organisms	Human adenovirus 2
Macromolecule	ADENOVIRAL PROTEINASE (protein)

Explore in 3D

1AYU \| pdb_00001ayu	Download File View File

CRYSTAL STRUCTURE OF CYSTEINE PROTEASE HUMAN CATHEPSIN K IN COMPLEX WITH A COVALENT SYMMETRIC BISCARBOHYDRAZIDE INHIBITOR

Zhao, B., Smith, W.W., Janson, C.A., Abdel-Meguid, S.S.

(1997) Proc Natl Acad Sci U S A 94: 14249-14254

Released	1998-11-25
Method	X-RAY DIFFRACTION 2.2 Å
Organisms	Homo sapiens
Macromolecule	CATHEPSIN K (protein)
Unique Ligands	INA

Explore in 3D

1AYV \| pdb_00001ayv	Download File View File

CRYSTAL STRUCTURE OF CYSTEINE PROTEASE HUMAN CATHEPSIN K IN COMPLEX WITH A COVALENT THIAZOLHYDRAZIDE INHIBITOR

Zhao, B., Smith, W.W., Janson, C.A., Abdel-Meguid, S.S.

(1997) Proc Natl Acad Sci U S A 94: 14249-14254

Released	1998-11-25
Method	X-RAY DIFFRACTION 2.3 Å
Organisms	Homo sapiens
Macromolecule	CATHEPSIN K (protein)
Unique Ligands	IN6

Explore in 3D

1AYW \| pdb_00001ayw	Download File View File

CRYSTAL STRUCTURE OF CYSTEINE PROTEASE HUMAN CATHEPSIN K IN COMPLEX WITH A COVALENT BENZYLOXYBENZOYLCARBOHYDRAZIDE INHIBITOR

Zhao, B., Smith, W.W., Janson, C.A., Abdel-Meguid, S.S.

(1997) Proc Natl Acad Sci U S A 94: 14249-14254

Released	1998-11-25
Method	X-RAY DIFFRACTION 2.4 Å
Organisms	Homo sapiens
Macromolecule	CATHEPSIN K (protein)
Unique Ligands	IN3

Explore in 3D

1BGO \| pdb_00001bgo	Download File View File

CRYSTAL STRUCTURE OF CYSTEINE PROTEASE HUMAN CATHEPSIN K IN COMPLEX WITH A COVALENT PEPTIDOMIMETIC INHIBITOR

Desjarlais, R.L., Yamashita, D.S., Oh, H.-J., Bondinell, W.E., Uzinskas, I.N., Erhard, K.F., Allen, A.C., Haltiwanger, R.C., Zhao, B., Smith, W.W., Abdel-Meguid, S.S., D'Alessio, K., Janson, C.A., Mcqueney, M.S., Tomaszek, T.A., Levy, M.A., Veber, D.F.

(1998) J Am Chem Soc 120: 9114

Released	1999-06-08
Method	X-RAY DIFFRACTION 2.3 Å
Organisms	Homo sapiens
Macromolecule	CATHEPSIN K (protein)
Unique Ligands	I10

Explore in 3D

1BMQ \| pdb_00001bmq	Download File View File

CRYSTAL STRUCTURE OF THE COMPLEX OF INTERLEUKIN-1BETA CONVERTING ENZYME (ICE) WITH A PEPTIDE BASED INHIBITOR, (3S )-N-METHANESULFONYL-3-({1-[N-(2-NAPHTOYL)-L-VALYL]-L-PROLYL }AMINO)-4-OXOBUTANAMIDE

Okamoto, Y., Anan, H., Nakai, E., Morihira, K., Yonetoku, Y., Kurihara, H., Katayama, N., Sakashita, H., Terai, Y., Takeuchi, M., Shibanuma, T., Isomura, Y.

(1999) Chem Pharm Bull (Tokyo) 47: 11-21

Released	1998-07-29
Method	X-RAY DIFFRACTION 2.5 Å
Organisms	Homo sapiens
Macromolecule	PROTEIN (INTERLEUKIN-1 BETA CONVERTASE) (protein)
Unique Ligands	MNO

Explore in 3D

1BP4 \| pdb_00001bp4	Download File View File

USE OF PAPAIN AS A MODEL FOR THE STRUCTURE-BASED DESIGN OF CATHEPSIN K INHIBITORS. CRYSTAL STRUCTURES OF TWO PAPAIN INHIBITOR COMPLEXES DEMONSTRATE BINDING TO S'-SUBSITES.

Lalonde, J.M., Zhao, B., Smith, W.W., Janson, C.A., Desjarlais, R.L., Tomaszek, T.A., Carr, T.J., Thompson, S.K., Yamashita, D.S., Veber, D.F., Abdel-Mequid, S.S.

(1998) J Med Chem 41: 4567-4576

Released	1999-08-12
Method	X-RAY DIFFRACTION 2.2 Å
Organisms	Carica papaya
Macromolecule	PAPAIN (protein)
Unique Ligands	ALD

Explore in 3D

1BQI \| pdb_00001bqi	Download File View File

USE OF PAPAIN AS A MODEL FOR THE STRUCTURE-BASED DESIGN OF CATHEPSIN K INHIBITORS. CRYSTAL STRUCTURES OF TWO PAPAIN INHIBITOR COMPLEXES DEMONSTRATE BINDING TO S'-SUBSITES.

Lalonde, J.M., Zhao, B., Smith, W.W., Janson, C.A., Desjarlais, R.L., Tomaszek, T.A., Carr, T.J., Thompson, S.K., Yamashita, D.S., Veber, D.F., Abdel-Mequid, S.S.

(1998) J Med Chem 41: 4567-4576

Released	1999-08-16
Method	X-RAY DIFFRACTION 2.5 Å
Organisms	Carica papaya
Macromolecule	PAPAIN (protein)
Unique Ligands	SBA

Explore in 3D

1BY8 \| pdb_00001by8	Download File View File

THE CRYSTAL STRUCTURE OF HUMAN PROCATHEPSIN K

Lalonde, J.M., Zhao, B., Smith, W.W., Janson, C.A., Desjarlais, R.L., Tomaszek, T.A., Carr, T.J., Thompson, S.K., Yamashita, D.S., Veber, D.F., Abdel-Mequid, S.S.

(1999) Biochemistry 38: 862-869

Released	1999-10-24
Method	X-RAY DIFFRACTION 2.6 Å
Organisms	Homo sapiens
Macromolecule	PROTEIN (PROCATHEPSIN K) (protein)

Explore in 3D

1CB5 \| pdb_00001cb5	Download File View File

HUMAN BLEOMYCIN HYDROLASE.

O'Farrell, P.A., Gonzalez, F., Zheng, W., Johnston, S.A., Joshua-Tor, L.

(1999) Structure 7: 619-627

Released	2000-03-01
Method	X-RAY DIFFRACTION 2.59 Å
Organisms	Homo sapiens
Macromolecule	BLEOMYCIN HYDROLASE (protein)

Explore in 3D

1CJL \| pdb_00001cjl	Download File View File

CRYSTAL STRUCTURE OF A CYSTEINE PROTEASE PROFORM

Coulombe, R., Grochulski, P., Sivaraman, J., Cygler, M.

(1996) EMBO J 15: 5492-5503

Released	1997-08-12
Method	X-RAY DIFFRACTION 2.2 Å
Organisms	Homo sapiens
Macromolecule	PROCATHEPSIN L (protein)

Explore in 3D

1CP3 \| pdb_00001cp3	Download File View File

CRYSTAL STRUCTURE OF THE COMPLEX OF APOPAIN WITH THE TETRAPEPTIDE INHIBITOR ACE-DVAD-FMC

Mittl, P.R.E., Dimarco, S., Gruetter, M.G.

(1997) J Biological Chem 272: 6539-6547

Released	1997-12-24
Method	X-RAY DIFFRACTION 2.3 Å
Organisms	Homo sapiens
Macromolecule	ACETYL-ASP-VAL-ALA-ASP-FLUOROMETHYLKETONE (protein) APOPAIN (protein)

Explore in 3D

1CPJ \| pdb_00001cpj	Download File View File

CRYSTAL STRUCTURES OF RECOMBINANT RAT CATHEPSIN B AND A CATHEPSIN B-INHIBITOR COMPLEX: IMPLICATIONS FOR STRUCTURE-BASED INHIBITOR DESIGN

Huber, C.P., Jia, Z.

(1995) J Biological Chem 270: 5527-5533

Released	1995-12-07
Method	X-RAY DIFFRACTION 2.2 Å
Organisms	Rattus norvegicus
Macromolecule	CATHEPSIN B (protein)

Explore in 3D

1CQD \| pdb_00001cqd	Download File View File

THE 2.1 ANGSTROM STRUCTURE OF A CYSTEINE PROTEASE WITH PROLINE SPECIFICITY FROM GINGER RHIZOME, ZINGIBER OFFICINALE

Choi, K.H., Laursen, R.A., Allen, K.N.

(1999) Biochemistry 38: 11624-11633

Released	1999-09-28
Method	X-RAY DIFFRACTION 2.1 Å
Organisms	Zingiber officinale
Macromolecule	PROTEIN (PROTEASE II) (protein)
Unique Ligands	NAG, THJ
Unique branched monosaccharides	FUC, FUL, NAG

Explore in 3D

1CS8 \| pdb_00001cs8	Download File View File

CRYSTAL STRUCTURE OF PROCATHEPSIN L

Cygler, M., Coulombe, R.

(1996) EMBO J 15: 5492-5503

Released	1999-08-23
Method	X-RAY DIFFRACTION 1.8 Å
Organisms	Homo sapiens
Macromolecule	HUMAN PROCATHEPSIN L (protein)

Explore in 3D

1CSB \| pdb_00001csb	Download File View File

Crystal structure of cathepsin b inhibited with CA030 at 2.1 angstroms resolution: A basis for the design of specific epoxysuccinyl inhibitors

Turk, D., Bode, W.

(1995) Biochemistry 34: 4791-4797

Released	1996-04-03
Method	X-RAY DIFFRACTION 2 Å
Organisms	Homo sapiens
Macromolecule	CATHEPSIN B heavy chain (protein) CATHEPSIN B light chain (protein)
Unique Ligands	EP0

1 to 25 of 4,394 Structures

Page 1 of 176

Sort by

About
About Us
Citing Us
Publications
Team
Careers
Usage & Privacy

Support
Contact Us
Help
Website FAQ
Glossary
Service Status

RCSB PDB is hosted by

RCSB PDB is a member of the

RCSB Partners
Nucleic Acid Knowledgebase

wwPDB Partners
RCSB PDB
PDBe
PDBj
BMRB
EMDB

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.

Prepare Data

Validate Data

Deposit Data

Help and Resources

Structure Determination Methodology

Scientific Name of Source Organism

Taxonomy

Experimental Method

Polymer Entity Type

Refinement Resolution (Å)

Release Date

Enzyme Classification Name

Membrane Protein Annotation

Symmetry Type

SCOP Classification

1A6R | pdb_00001a6r

1AEC | pdb_00001aec

1AIM | pdb_00001aim

1ATK | pdb_00001atk

1AU0 | pdb_00001au0

1AU2 | pdb_00001au2

1AU3 | pdb_00001au3

1AU4 | pdb_00001au4

1AV5 | pdb_00001av5

1AVP | pdb_00001avp

1AYU | pdb_00001ayu

1AYV | pdb_00001ayv

1AYW | pdb_00001ayw

1BGO | pdb_00001bgo

1BMQ | pdb_00001bmq

1BP4 | pdb_00001bp4

1BQI | pdb_00001bqi

1BY8 | pdb_00001by8

1CB5 | pdb_00001cb5

1CJL | pdb_00001cjl

1CP3 | pdb_00001cp3

1CPJ | pdb_00001cpj

1CQD | pdb_00001cqd

1CS8 | pdb_00001cs8

1CSB | pdb_00001csb