3ehb:D     (ILE2) to   (ILE107)  A D-PATHWAY MUTATION DECOUPLES THE PARACOCCUS DENITRIFICANS CYTOCHROME C OXIDASE BY ALTERING THE SIDE CHAIN ORIENTATION OF A DISTANT, CONSERVED GLUTAMATE  |   PROTON PUMPING, WATER CHAIN, ELECTRON TRANSFER, CELL INNER MEMBRANE, CELL MEMBRANE, COPPER, ELECTRON TRANSPORT, HEME, HYDROGEN ION TRANSPORT, ION TRANSPORT, IRON, MEMBRANE, METAL-BINDING, OXIDOREDUCTASE, RESPIRATORY CHAIN, TRANSMEMBRANE, TRANSPORT, PYRROLIDONE CARBOXYLIC ACID, OXIDOREDUCTASE/IMMUNE SYSTEM COMPLEX 
4x9h:B   (PHE105) to   (LEU197)  CRYSTAL STRUCTURE OF DSCAM1 ISOFORM 8.4, N-TERMINAL FOUR IG DOMAINS  |   IG FOLD, CELL ADHESION 
3sdy:L     (GLU1) to   (GLU105)  CRYSTAL STRUCTURE OF BROADLY NEUTRALIZING ANTIBODY CR8020 BOUND TO THE INFLUENZA A H3 HEMAGGLUTININ  |   VIRAL FUSION PROTEIN, IMMUNOGLOBULIN, VIRUS ATTACHMENT AND ENTRY, IMMUNE RECOGNITION, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
4i18:B     (ILE3) to   (THR112)  CRYSTAL STRUCTURE OF HUMAN PROLACTIN RECEPTOR COMPLEXED WITH FAB FRAGMENT  |   IMMUNOGLOBULIN FOLD, PROLACTIN BINDING, RECEPTOR SIGNALING, CYTOKINE, SIGNALING PROTEIN 
4i2x:E     (GLU3) to   (SER119)  CRYSTAL STRUCTURE OF SIGNAL REGULATORY PROTEIN GAMMA (SIRP-GAMMA) IN COMPLEX WITH FABOX117  |   PROTEIN-FAB COMPLEX, STRUCTURAL GENOMICS, OXFORD PROTEIN PRODUCTION FACILITY, OPPF, SIGNAL REGULATORY PROTEIN, CD47, CELL SURFACE, IMMUNE SYSTEM 
3fn0:L     (GLU3) to   (ILE106)  CRYSTAL STRUCTURE OF HIV-1 NEUTRALIZING HUMAN FAB Z13E1 IN COMPLEX WITH A 12-RESIDUE PEPTIDE CONTAINING THE Z13E1 EPITOPE ON GP41  |   Z13E1, Z13, HIV, ENV, GP41, IMMUNE SYSTEM 
2dm2:A     (ALA8) to   (GLN101)  SOLUTION STRUCTURE OF THE FIRST IG DOMAIN OF HUMAN PALLADIN  |   BETA-SANDWICH, KIAA0992, MYOPALLADIN, ACTIN-ASSOCIATED SCAFFOLD, STRUCTURAL GENOMICS, NPPSFA, NATIONAL PROJECT ON PROTEIN STRUCTURAL AND FUNCTIONAL ANALYSES, RIKEN STRUCTURAL GENOMICS/PROTEOMICS INITIATIVE, RSGI, PROTEIN BINDING 
1q72:L     (ILE2) to   (ALA109)  ANTI-COCAINE ANTIBODY M82G2 COMPLEXED WITH COCAINE  |   ANTI-COCAINE ANTIBODY, FAB, IMMUNE SYSTEM 
1qbl:L     (ASP1) to   (ILE106)  FAB E8 (FABE8A) X-RAY STRUCTURE AT 2.26 ANGSTROM RESOLUTION  |   IMMUNOGLOBULIN, IGG1 KAPPA, ANTIBODY, FAB FRAGMENT, ANTI- CYTOCHROME C ANTIBODY 
2uv3:A     (GLU3) to   (LYS116)  STRUCTURE OF THE SIGNAL-REGULATORY PROTEIN (SIRP) ALPHA DOMAIN THAT BINDS CD47.  |   CD47-BINDING DOMAIN OF SIRP-ALPHA, RECEPTOR, MEMBRANE, SH3- BINDING, GLYCOPROTEIN, TRANSMEMBRANE, PHOSPHORYLATION, HUMAN SIRP-ALPHA N TERMINAL V DOMAIN, IMMUNOGLOBULIN DOMAIN, SIGNAL-REGULATORY PROTEIN ALPHA 
2uv3:B     (GLU3) to   (LYS116)  STRUCTURE OF THE SIGNAL-REGULATORY PROTEIN (SIRP) ALPHA DOMAIN THAT BINDS CD47.  |   CD47-BINDING DOMAIN OF SIRP-ALPHA, RECEPTOR, MEMBRANE, SH3- BINDING, GLYCOPROTEIN, TRANSMEMBRANE, PHOSPHORYLATION, HUMAN SIRP-ALPHA N TERMINAL V DOMAIN, IMMUNOGLOBULIN DOMAIN, SIGNAL-REGULATORY PROTEIN ALPHA 
2edk:A     (PRO8) to    (GLU99)  SOLUTION STRUCTURE OF THE THIRD IG-LIKE DOMAIN FROM HUMAN MYOSIN-BINDING PROTEIN C, FAST-TYPE  |   IG FOLD, FAST MYBP-C, C-PROTEIN, SKELETAL MUSCLE FAST- ISOFORM, MYBPCF, STRUCTURAL GENOMICS, NPPSFA, NATIONAL PROJECT ON PROTEIN STRUCTURAL AND FUNCTIONAL ANALYSES, RIKEN STRUCTURAL GENOMICS/PROTEOMICS INITIATIVE, RSGI, CONTRACTILE PROTEIN 
2uyl:A     (VAL3) to   (ALA114)  CRYSTAL STRUCTURE OF A MONOCLONAL ANTIBODY DIRECTED AGAINST AN ANTIGENIC DETERMINANT COMMON TO OGAWA AND INABA SEROTYPES OF VIBRIO CHOLERAE O1  |   FAB FRAGMENT, MONOCLONAL ANTIBODY, IMMUNE SYSTEM, IMMUNOGLOBULIN DOMAIN, IMMUNOGLOBULIN C REGION, ANTI-LPS VIBRIO CHOLERAE 
2uyl:M     (GLU1) to   (ALA114)  CRYSTAL STRUCTURE OF A MONOCLONAL ANTIBODY DIRECTED AGAINST AN ANTIGENIC DETERMINANT COMMON TO OGAWA AND INABA SEROTYPES OF VIBRIO CHOLERAE O1  |   FAB FRAGMENT, MONOCLONAL ANTIBODY, IMMUNE SYSTEM, IMMUNOGLOBULIN DOMAIN, IMMUNOGLOBULIN C REGION, ANTI-LPS VIBRIO CHOLERAE 
2uyl:X     (GLU1) to   (ALA114)  CRYSTAL STRUCTURE OF A MONOCLONAL ANTIBODY DIRECTED AGAINST AN ANTIGENIC DETERMINANT COMMON TO OGAWA AND INABA SEROTYPES OF VIBRIO CHOLERAE O1  |   FAB FRAGMENT, MONOCLONAL ANTIBODY, IMMUNE SYSTEM, IMMUNOGLOBULIN DOMAIN, IMMUNOGLOBULIN C REGION, ANTI-LPS VIBRIO CHOLERAE 
1fh5:L     (ILE3) to   (LEU107)  CRYSTAL STRUCTURE OF THE FAB FRAGMENT OF THE MONOCLONAL ANTIBODY MAK33  |   FAB, BIP, IMMUNE SYSTEM 
1seq:L     (ILE2) to   (ILE106)  FAB MNAC13  |   IMMUNOGLOBULIN, IMMUNE SYSTEM 
4lly:B     (ILE2) to   (GLY108)  CRYSTAL STRUCTURE OF PERTUZUMAB CLAMBDA FAB WITH VARIABLE AND CONSTANT DOMAIN REDESIGNS (VRD2 AND CRD2) AT 1.6A  |   FAB, IMMUNE SYSTEM 
4lri:A     (ASP1) to   (THR114)  ANTI CMV FAB FRAGMENT  |   FAB FRAGMENT, CMV NEUTRALIZING ANTIBODY, GLYCOPROTEIN H OR GH FROM CMV, IMMUNE SYSTEM 
4lvn:B     (ASP1) to   (LEU107)  CRYSTAL STRUCTURE OF PFSUB1-PRODOMAIN-NIMP.M7 FAB COMPLEX  |   ALPHA BETA, ENZYME-PRODOMAIN COMPLEX, ROSSMANN FOLD, SERINE PROTEASE, CALCIUM IONS, PRODOMAIN, PARASITOPHOROUS VACUOLE, HYDROLASE- INHIBITOR-IMMUNE SYSTEM COMPLEX 
2hvj:B     (ASP1) to   (ALA109)  CRYSTAL STRUCTURE OF KCSA-FAB-TBA COMPLEX IN LOW K+  |   POTASSIUM CHANNEL, MEMBRANE PROTEIN, TETRABUTYLAMMONIUM, K+, KCSA 
1iai:M     (ILE2) to   (ILE107)  IDIOTYPE-ANTI-IDIOTYPE FAB COMPLEX  |   COMPLEX (IMMUNOGLOBULIN IGG1/IGG2A) 
5aam:B   (ILE134) to   (ILE242)  STRUCTURE OF A REDESIGNED CROSS-REACTIVE ANTIBODY TO DENGUE VIRUS WITH INCREASED IN VIVO POTENCY  |   IMMUNE SYSTEM, SCFV DENGUE ANTIBODY ENVELOPE DOMAIN III 
5aaw:K   (ILE134) to   (ILE242)  STRUCTURE OF A REDESIGNED CROSS-REACTIVE ANTIBODY TO DENGUE VIRUS WITH INCREASED IN VIVO POTENCY  |   VIRAL PROTEIN, SCFV DENGUE ANTIBODY ENVELOPE DOMAIN III 
1jrh:L     (VAL2) to   (ALA109)  COMPLEX (ANTIBODY/ANTIGEN)  |   CYTOKINE RECEPTOR, COMPLEX (ANTIBODY/ANTIGEN), TRANSMEMBRANE, GLYCOPROTEIN 
2jju:B     (GLU3) to   (VAL114)  STRUCTURE OF HUMAN SIGNAL REGULATORY PROTEIN (SIRP) BETA  |   IMMUNOGLOBULIN DOMAIN, IMMUNOGLOBULIN SUPERFAMILY, SIGNAL REGULATORY PROTEIN BETA, IMMUNE SYSTEM, TRANSMEMBRANE, PAIRED RECEPTOR, ALTERNATIVE SPLICING, SIRP, SIRPB1, MEMBRANE, POLYMORPHISM, GLYCOPROTEIN 
2jjv:A     (GLU3) to   (SER113)  STRUCTURE OF HUMAN SIGNAL REGULATORY PROTEIN (SIRP) BETA(2)  |   IMMUNE SYSTEM, IMMUNOGLOBULIN SUPERFAMILY, SIGNAL REGULATORY PROTEIN BETA, SIRP, SIRPB2, PAIRED RECEPTOR 
1wej:L     (ASP1) to   (ILE106)  IGG1 FAB FRAGMENT (OF E8 ANTIBODY) COMPLEXED WITH HORSE CYTOCHROME C AT 1.8 A RESOLUTION  |   IMMUNOGLOBULIN, IGG1 KAPPA, FAB FRAGMENT, HORSE CYTOCHROME C, COMPLEX (ANTIBODY/ELECTRON TRANSPORT) 
4nry:L     (GLN3) to   (THR109)  CRYSTAL STRUCTURE OF HIV-1 NEUTRALIZING ANTIBODY M66  |   IMMUNOGLOBULIN, NEUTRALIZING ANTIBODY, HIV-1 GP41, MEMBRANE PROXIMAL EXTERNAL REGION, MPER, IMMUNE SYSTEM 
1mhp:L     (ILE2) to   (ILE105)  CRYSTAL STRUCTURE OF A CHIMERIC ALPHA1 INTEGRIN I-DOMAIN IN COMPLEX WITH THE FAB FRAGMENT OF A HUMANIZED NEUTRALIZING ANTIBODY  |   INTEGRIN, CELL ADHESION, RECEPTOR, ANTIBODY, IMMUNE SYSTEM 
1mhp:Y     (ILE2) to   (ILE105)  CRYSTAL STRUCTURE OF A CHIMERIC ALPHA1 INTEGRIN I-DOMAIN IN COMPLEX WITH THE FAB FRAGMENT OF A HUMANIZED NEUTRALIZING ANTIBODY  |   INTEGRIN, CELL ADHESION, RECEPTOR, ANTIBODY, IMMUNE SYSTEM 
4aeh:L     (ASP1) to   (ILE106)  CRYSTAL STRUCTURE OF THE ANTI-AAHI FAB9C2 ANTIBODY  |   IMMUNE SYSTEM, ANDROCTONUS, ALPHA-TOXIN, COMBINING SITE, EPITOPE, PHARMACOLOGICAL SITE, VENOM, VOLTAGE- ACTIVATED SODIUM CHANNEL, SCORPION 
5d1z:C     (GLN4) to   (THR110)  ISDB NEAT1 BOUND BY CLONE D4-10  |   ISDB, NEAT1, GERMLINE ENCODED, IMMUNE SYSTEM 
5d1z:H     (GLN5) to   (ILE108)  ISDB NEAT1 BOUND BY CLONE D4-10  |   ISDB, NEAT1, GERMLINE ENCODED, IMMUNE SYSTEM 
35c8:L     (VAL3) to   (ILE106)  CATALYTIC ANTIBODY 5C8, FAB-INHIBITOR COMPLEX  |   CATALYTIC ANTIBODY, FAB, RING CLOSURE REACTION 
3b5h:A   (PRO104) to   (ARG203)  CRYSTAL STRUCTURE OF THE EXTRACELLULAR PORTION OF HAB18G/CD147  |   IG-LIKE DOMAIN, CELL INVASION 
3bkm:L     (ASP1) to   (GLU105)  STRUCTURE OF ANTI-AMYLOID-BETA FAB WO2 (FORM A, P212121)  |   ABETA, AMYLOID BETA PEPTIDE, FAB, WO2, ALZHEIMER'S DISEASE, IMMUNOTHERAPIES, APP, IMMUNE SYSTEM 
4r8w:L     (GLU1) to   (ILE107)  CRYSTAL STRUCTURE OF H7 HEMAGGLUTININ FROM A/ANHUI/1/2013 IN COMPLEX WITH A NEUTRALIZING ANTIBODY CT149  |   INFLUENZA A VIRUS, HEMAGGLUTININ, NEUTRALIZING ANTIBODY, IMMUNE SYSTEM 
5i17:L     (GLU1) to   (ILE107)  CRYSTAL STRUCTURE OF HUMAN GERMLINE ANTIBODY IGHV1-69/IGKV3-20  |   MONOCLONAL ANTIBODY, IMMUNE SYSTEM 
5i8e:B     (ILE2) to   (ILE106)  CRYSTAL STRUCTURE OF BROADLY NEUTRALIZING HIV-1 FUSION PEPTIDE- TARGETING ANTIBODY VRC34.01 FAB  |   HIV-1, ENVELOPE, TRIMER, FUSION PEPTIDE, ANTIBODY, NEUTRALIZING, IMMUNE SYSTEM 
5i8e:D     (ILE2) to   (ILE106)  CRYSTAL STRUCTURE OF BROADLY NEUTRALIZING HIV-1 FUSION PEPTIDE- TARGETING ANTIBODY VRC34.01 FAB  |   HIV-1, ENVELOPE, TRIMER, FUSION PEPTIDE, ANTIBODY, NEUTRALIZING, IMMUNE SYSTEM 
5ibu:L     (GLU1) to   (ILE107)  6652 FAB (UNBOUND)  |   ANTIBODY, INFLUENZA, UNBOUND, IMMUNE SYSTEM 
3q1s:L     (GLU3) to   (ILE106)  HIV-1 NEUTRALIZING ANTIBODY Z13E1 IN COMPLEX WITH EPITOPE DISPLAY PROTEIN  |   IMMUNOGLOBULIN FOLD, ANTIBODY, GP41, IMMUNE SYSTEM-CYTOKINE COMPLEX 
4f37:L     (ILE2) to   (GLU110)  STRUCTURE OF THE TETHERED N-TERMINUS OF ALZHEIMER'S DISEASE A PEPTIDE  |   AMYLOID-BETA, ALZHEIMER'S DISEASE, IMMUNE SYSTEM 
3qpq:L     (ASP1) to   (LEU106)  CRYSTAL STRUCTURE OF ANTI-TLR3 ANTIBODY C1068 FAB  |   IMMUNOGLOBULIN FOLD, IMMUNE SYSTEM, TLR-3 
3qpq:I     (ASP1) to   (THR110)  CRYSTAL STRUCTURE OF ANTI-TLR3 ANTIBODY C1068 FAB  |   IMMUNOGLOBULIN FOLD, IMMUNE SYSTEM, TLR-3 
4gay:L     (ILE2) to   (ALA109)  STRUCTURE OF THE BROADLY NEUTRALIZING ANTIBODY AP33  |   ANTIBODY FAB, NEUTRALIZING ANTIBODY, HCV E2, IMMUNE SYSTEM 
4gjt:C     (GLY1) to   (ARG109)  COMPLEX STRUCTURE OF NECTIN-4 BOUND TO MV-H  |   SIX-BLADED -PROPELLER, IGV-LIKE FOLD, VIRAL ENTRY, MV-H, NECTIN-4, BETA4/BETA5 GROOVE, MEMBRANE PROTEIN-VIRAL PROTEIN COMPLEX 
4hh8:A     (PRO2) to   (LEU118)  CRYSTAL STRUCTURE OF BOVINE BUTYROPHILIN  |   IMMUNOGLOBULIN FOLD, MILK FAT GLOBULE, PROTEIN BINDING 
4llu:B     (ILE2) to   (GLY108)  STRUCTURE OF PERTUZUMAB FAB WITH LIGHT CHAIN CLAMBDA AT 2.16A  |   FAB, IMMUNE SYSTEM 
1l7i:L     (ASP1) to   (ILE106)  CRYSTAL STRUCTURE OF THE ANTI-ERBB2 FAB2C4  |   IG DOMAIN, FAB FRAGMENT, IMMUNE SYSTEM 
3axl:A     (GLN3) to   (GLN120)  MURINE VALPHA 10 VBETA 8.1 T-CELL RECEPTOR  |   IMMUNOGLOBULIN FOLD, T-CELL RECEPTOR, CD1D BINDING, IMMUNE SYSTEM 
3bd3:A   (LEU160) to   (ILE270)  CRYSTAL STRUCTURE OF SINGLE DOMAIN VL OF AN ANTI-DNA BINDING ANTIBODY 3D8 SCFV AND ITS ACTIVE SITE REVEALED BY COMPLEX STRUCTURES OF A SMALL MOLECULE AND METALS  |   3D8, CATALYTIC ANTIBODY, ANTI-DNA, IMMUNE SYSTEM 
4s1r:L     (VAL3) to   (LYS109)  CRYSTAL STRUCTURE OF A VRC01-LINEAGE ANTIBODY, 45-VRC01.H08.F-117225, IN COMPLEX WITH CLADE A/E HIV-1 GP120 CORE  |   HIV-1, NEUTRALIZING ANTIBODIES, VRC01-LINEAGE, ANTIBODY MATURATION, EVOLUTIONARY RATE, VIRAL PROTEIN-IMMUNE SYSTEM-INHIBITOR COMPLEX